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What is the (y)-intercept of the line (y=-x-3)?
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Answer and explanation
Correct answer: -3
To find the y-intercept, put x=0. Then y=-0-3=-3. Thus, the line meets the y-axis at -3, so the correct answer is -3. The value -1 is the coefficient of x, not the y-intercept. Exam tip: in y=mx+c, c is the y-intercept.
Frequently asked questions
What is the correct answer to this question?
-3
Why is this the correct answer?
To find the y-intercept, put x=0. Then y=-0-3=-3. Thus, the line meets the y-axis at -3, so the correct answer is -3. The value -1 is the coefficient of x, not the y-intercept. Exam tip: in y=mx+c, c is the y-intercept.
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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