Which statement about the lines (y=6x-1) and (y=-3x-1) is correct?
Answer and explanation
Correct answer: Both have the same y-intercept
In the form y=mx+c, c represents the y-intercept. Both equations have the constant term -1, so both lines meet the y-axis at (0,-1). Their slopes are 6 and -3, so the slopes are not equal and the second slope is negative. Exam tip: In y=mx+c, identify m as the slope and c as the y-intercept.
Frequently asked questions
What is the correct answer to this question?
Both have the same y-intercept
Why is this the correct answer?
In the form y=mx+c, c represents the y-intercept. Both equations have the constant term -1, so both lines meet the y-axis at (0,-1). Their slopes are 6 and -3, so the slopes are not equal and the second slope is negative. Exam tip: In y=mx+c, identify m as the slope and c as 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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