Q. What is the y-intercept of the line given by the equation 5x - 2y = 10? (2023)
Solution
Rearranging to slope-intercept form: -2y = -5x + 10, thus y = (5/2)x - 5. The y-intercept is -5.
Correct Answer:
D
— -2
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Q. What is the y-intercept of the line represented by the equation 4x - y + 8 = 0? (2019)
Solution
Setting x = 0 in the equation gives -y + 8 = 0, thus y = 8.
Correct Answer:
A
— 8
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Q. Which of the following lines is parallel to the line 3x - 4y + 5 = 0?
-
A.
6x - 8y + 10 = 0
-
B.
4x + 3y - 7 = 0
-
C.
3x + 4y - 5 = 0
-
D.
2x - 3y + 1 = 0
Solution
Parallel lines have the same slope. The slope of the given line is 3/4, and the line 6x - 8y + 10 = 0 also has the same slope.
Correct Answer:
A
— 6x - 8y + 10 = 0
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