What is the (y)-intercept of the line (y=-6)?
Answer and explanation
Correct answer: -6
The line \(y=-6\) is a horizontal line. To find the \(y\)-intercept, put \(x=0\); the value of \(y\) is still \(-6\). Thus, the line meets the \(y\)-axis at \((0,-6)\), so its \(y\)-intercept is \(-6\). Option 6 is a close distractor, but the line has a negative value. Exam tip: for a line of the form \(y=c\), the \(y\)-intercept is always \(c\).
Frequently asked questions
What is the correct answer to this question?
-6
Why is this the correct answer?
The line \(y=-6\) is a horizontal line. To find the \(y\)-intercept, put \(x=0\); the value of \(y\) is still \(-6\). Thus, the line meets the \(y\)-axis at \((0,-6)\), so its \(y\)-intercept is \(-6\). Option 6 is a close distractor, but the line has a negative value. Exam tip: for a line of the form \(y=c\), the \(y\)-intercept is always \(c\).
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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