In the line y = 0x - 7, what are the slope and y-intercept?
Answer and explanation
Correct answer: Slope 0, y-intercept -7
Using y = mx + b, identify the coefficient of x as the slope and the constant as the y-intercept. Here y = 0x - 7, so m = 0 and b = -7. The line therefore has no upward or downward tilt and crosses the y-axis at (0, -7). Option A is correct. Option B reverses the roles of the terms, whereas C and D incorrectly make the negative constant positive.
Frequently asked questions
What is the correct answer to this question?
Slope 0, y-intercept -7
Why is this the correct answer?
Using y = mx + b, identify the coefficient of x as the slope and the constant as the y-intercept. Here y = 0x - 7, so m = 0 and b = -7. The line therefore has no upward or downward tilt and crosses the y-axis at (0, -7). Option A is correct. Option B reverses the roles of the terms, whereas C and D incorrectly make the negative constant positive.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Introduction to Polynomials. Topic: Slope and y-intercept.
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