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If the equation of a line is y = -1/2x + 3, what is the y-value when x = 4?
If the equation of a line is y = -1/2x + 3, what is the y-value when x = 4?
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If the equation of a line is y = -1/2x + 3, what is the y-value when x = 4?
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Substituting x = 4 into the equation gives y = -1/2(4) + 3 = -2 + 3 = 1.
Questions & Step-by-step Solutions
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Q
Q: If the equation of a line is y = -1/2x + 3, what is the y-value when x = 4?
Solution:
Substituting x = 4 into the equation gives y = -1/2(4) + 3 = -2 + 3 = 1.
Steps: 7
Show Steps
Step 1: Start with the equation of the line, which is y = -1/2x + 3.
Step 2: Identify the value of x that we need to substitute into the equation. In this case, x = 4.
Step 3: Substitute x = 4 into the equation. This means replacing x in the equation with 4.
Step 4: The equation now looks like this: y = -1/2(4) + 3.
Step 5: Calculate -1/2(4). This equals -2.
Step 6: Now, add 3 to -2. So, -2 + 3 equals 1.
Step 7: Therefore, the y-value when x = 4 is 1.
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