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At which point does the line (y=-7x+10) cut the (y)-axis?
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Answer and explanation
Correct answer: (0,10)
At any point on the y-axis, the value of x is 0. Substituting x=0 in y=-7x+10 gives y=10. Therefore, the line cuts the y-axis at (0,10). The value -7 is the slope, not the y-intercept. Exam tip: To find the y-intercept, always put x=0.
Frequently asked questions
What is the correct answer to this question?
(0,10)
Why is this the correct answer?
At any point on the y-axis, the value of x is 0. Substituting x=0 in y=-7x+10 gives y=10. Therefore, the line cuts the y-axis at (0,10). The value -7 is the slope, not the y-intercept. Exam tip: To find the y-intercept, always put x=0.
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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