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What is the (y)-intercept of the line (y=x+9)?
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Answer and explanation
Correct answer: 9
To find the y-intercept, put x=0. In y=x+9, this gives y=9, so the y-intercept is 9. Here, 1 is the slope of the line, not its y-intercept. Exam tip: in the form y=mx+c, c is the y-intercept.
Frequently asked questions
What is the correct answer to this question?
9
Why is this the correct answer?
To find the y-intercept, put x=0. In y=x+9, this gives y=9, so the y-intercept is 9. Here, 1 is the slope of the line, not its y-intercept. Exam tip: in the form 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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