Q. The family of curves defined by the equation y = a(x - h)^2 + k represents:
-
A.
Parabolas
-
B.
Circles
-
C.
Ellipses
-
D.
Hyperbolas
Solution
The equation y = a(x - h)^2 + k represents a family of parabolas with vertex (h, k).
Correct Answer: A — Parabolas
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Q. The family of curves defined by the equation y = ax^2 + bx + c is known as:
-
A.
Linear functions
-
B.
Quadratic functions
-
C.
Polynomial functions
-
D.
Rational functions
Solution
The equation y = ax^2 + bx + c represents a quadratic function.
Correct Answer: B — Quadratic functions
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Q. The family of curves defined by the equation y = e^(kx) is classified as:
-
A.
Linear
-
B.
Exponential
-
C.
Logarithmic
-
D.
Polynomial
Solution
The equation y = e^(kx) represents a family of exponential curves.
Correct Answer: B — Exponential
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Q. The family of curves defined by the equation y = k/x represents which type of function?
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A.
Linear
-
B.
Quadratic
-
C.
Rational
-
D.
Exponential
Solution
The equation y = k/x represents a rational function.
Correct Answer: C — Rational
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Q. The family of curves defined by the equation y = k/x represents:
-
A.
Linear functions
-
B.
Hyperbolas
-
C.
Parabolas
-
D.
Circles
Solution
The equation y = k/x represents a family of hyperbolas.
Correct Answer: B — Hyperbolas
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Q. The family of curves defined by y = kx^3 represents:
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A.
Linear curves
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B.
Cubic curves
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C.
Quadratic curves
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D.
Exponential curves
Solution
The equation y = kx^3 represents a family of cubic curves.
Correct Answer: B — Cubic curves
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Q. The family of curves given by the equation y = a sin(bx + c) is known as:
-
A.
Linear functions
-
B.
Trigonometric functions
-
C.
Exponential functions
-
D.
Polynomial functions
Solution
The equation y = a sin(bx + c) represents a family of trigonometric functions.
Correct Answer: B — Trigonometric functions
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Q. The family of curves given by the equation y = kx + b is characterized by:
-
A.
Different slopes
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B.
Different intercepts
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C.
Both a and b
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D.
None of the above
Solution
The equation y = kx + b represents a family of straight lines with different slopes (k) and intercepts (b).
Correct Answer: C — Both a and b
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Q. The family of curves given by y = a sin(bx) is characterized by:
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A.
Linear behavior
-
B.
Periodic behavior
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C.
Exponential growth
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D.
Quadratic growth
Solution
The equation y = a sin(bx) represents a family of periodic curves.
Correct Answer: B — Periodic behavior
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Q. The family of curves given by y = k(x - a)(x - b) is a representation of:
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A.
Linear functions
-
B.
Quadratic functions
-
C.
Cubic functions
-
D.
Exponential functions
Solution
The equation y = k(x - a)(x - b) represents a family of quadratic functions.
Correct Answer: B — Quadratic functions
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Q. The family of curves given by y^2 = 4ax represents which type of conic section?
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A.
Circle
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B.
Ellipse
-
C.
Parabola
-
D.
Hyperbola
Solution
The equation y^2 = 4ax represents a parabola that opens to the right.
Correct Answer: C — Parabola
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Q. The family of curves represented by the equation x^2 + y^2 = r^2 describes which geometric shape?
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A.
Ellipse
-
B.
Circle
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C.
Hyperbola
-
D.
Parabola
Solution
The equation x^2 + y^2 = r^2 represents a circle with radius r.
Correct Answer: B — Circle
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Q. The family of curves represented by the equation x^2 + y^2 = r^2 is known as:
-
A.
Ellipses
-
B.
Hyperbolas
-
C.
Circles
-
D.
Parabolas
Solution
The equation x^2 + y^2 = r^2 represents a family of circles.
Correct Answer: C — Circles
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Q. The family of curves represented by the equation y = e^(kx) is characterized by:
-
A.
Linear growth
-
B.
Exponential growth
-
C.
Quadratic growth
-
D.
Logarithmic growth
Solution
The equation y = e^(kx) represents exponential growth for different values of k.
Correct Answer: B — Exponential growth
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Q. The family of curves represented by the equation y = e^(kx) is classified as:
-
A.
Linear
-
B.
Polynomial
-
C.
Exponential
-
D.
Logarithmic
Solution
The equation y = e^(kx) represents an exponential function.
Correct Answer: C — Exponential
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Q. The family of curves represented by the equation y = kx^2, where k is a constant, is known as:
-
A.
Linear curves
-
B.
Parabolic curves
-
C.
Circular curves
-
D.
Exponential curves
Solution
The equation y = kx^2 represents a parabola for different values of k.
Correct Answer: B — Parabolic curves
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Q. The family of curves represented by the equation y = kx^n, where n is a constant, is known as:
-
A.
Polynomial curves
-
B.
Rational curves
-
C.
Trigonometric curves
-
D.
Exponential curves
Solution
The equation y = kx^n represents a family of polynomial curves.
Correct Answer: A — Polynomial curves
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Q. The family of curves represented by the equation y = mx + c, where m and c are constants, is known as:
-
A.
Linear functions
-
B.
Quadratic functions
-
C.
Cubic functions
-
D.
Exponential functions
Solution
The equation y = mx + c represents a straight line, which is a linear function.
Correct Answer: A — Linear functions
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Q. The family of curves represented by y = a sin(bx + c) is known as:
-
A.
Linear functions
-
B.
Trigonometric functions
-
C.
Polynomial functions
-
D.
Exponential functions
Solution
The equation y = a sin(bx + c) represents a family of trigonometric functions.
Correct Answer: B — Trigonometric functions
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Q. The family of curves represented by y = kx^n, where n is a constant, is known as:
-
A.
Polynomial curves
-
B.
Rational curves
-
C.
Trigonometric curves
-
D.
Logarithmic curves
Solution
The equation y = kx^n represents a family of polynomial curves.
Correct Answer: A — Polynomial curves
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Q. The family of curves represented by y = mx + c can be described as:
-
A.
Quadratic functions
-
B.
Linear functions
-
C.
Cubic functions
-
D.
Exponential functions
Solution
The equation y = mx + c describes linear functions for varying m and c.
Correct Answer: B — Linear functions
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Q. The family of curves represented by y^2 = 4ax is known as:
-
A.
Parabolas
-
B.
Ellipses
-
C.
Hyperbolas
-
D.
Circles
Solution
The equation y^2 = 4ax represents a family of parabolas.
Correct Answer: A — Parabolas
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Q. The family of curves y = ax^3 + bx^2 + cx + d is classified as:
-
A.
Linear
-
B.
Quadratic
-
C.
Cubic
-
D.
Quartic
Solution
The equation y = ax^3 + bx^2 + cx + d represents a family of cubic curves.
Correct Answer: C — Cubic
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Q. The family of curves y = kx^3 is known for having:
-
A.
One turning point
-
B.
Two turning points
-
C.
No turning points
-
D.
Three turning points
Solution
The cubic function y = kx^3 has one turning point at x = 0.
Correct Answer: A — One turning point
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Q. The family of curves y = kx^n, where n is a constant, represents:
-
A.
Linear functions
-
B.
Polynomial functions
-
C.
Rational functions
-
D.
Trigonometric functions
Solution
The equation y = kx^n represents a family of polynomial functions.
Correct Answer: B — Polynomial functions
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Q. The foci of the ellipse x^2/16 + y^2/9 = 1 are located at?
-
A.
(±4, 0)
-
B.
(0, ±3)
-
C.
(±3, 0)
-
D.
(0, ±4)
Solution
For the ellipse x^2/16 + y^2/9 = 1, the foci are located at (±4, 0) where c = √(16 - 9) = 4.
Correct Answer: A — (±4, 0)
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Q. The foci of the ellipse x^2/25 + y^2/16 = 1 are located at which points?
-
A.
(±3, 0)
-
B.
(±4, 0)
-
C.
(±5, 0)
-
D.
(±6, 0)
Solution
For the ellipse, c = √(a^2 - b^2) = √(25 - 16) = √9 = 3. The foci are at (±3, 0).
Correct Answer: B — (±4, 0)
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Q. The general form of the family of curves for circles is given by:
-
A.
(x - h)^2 + (y - k)^2 = r^2
-
B.
x^2 + y^2 = r^2
-
C.
x^2 + y^2 + Dx + Ey + F = 0
-
D.
y = mx + b
Solution
The equation x^2 + y^2 + Dx + Ey + F = 0 represents a family of circles.
Correct Answer: C — x^2 + y^2 + Dx + Ey + F = 0
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Q. The general form of the family of curves y^2 = 4ax is known as:
-
A.
Circle
-
B.
Ellipse
-
C.
Parabola
-
D.
Hyperbola
Solution
The equation y^2 = 4ax represents a parabola.
Correct Answer: C — Parabola
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Q. The general form of the family of curves y^2 = 4ax represents:
-
A.
Ellipses
-
B.
Hyperbolas
-
C.
Parabolas
-
D.
Circles
Solution
The equation y^2 = 4ax represents a parabola that opens to the right.
Correct Answer: C — Parabolas
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