Which line has slope (0) and (y)-intercept (-8)?
Answer and explanation
Correct answer: \(y=-8\)
The slope-intercept form of a line is \(y=mx+c\), where \(m\) is the slope and \(c\) is the \(y\)-intercept. Substituting \(m=0\) and \(c=-8\) gives \(y=0x-8=-8\). In option A, the \(y\)-intercept is 0, while options C and D have non-zero slopes. Exam tip: A line with zero slope is horizontal and has the form \(y=\text{constant}\).
Frequently asked questions
What is the correct answer to this question?
\(y=-8\)
Why is this the correct answer?
The slope-intercept form of a line is \(y=mx+c\), where \(m\) is the slope and \(c\) is the \(y\)-intercept. Substituting \(m=0\) and \(c=-8\) gives \(y=0x-8=-8\). In option A, the \(y\)-intercept is 0, while options C and D have non-zero slopes. Exam tip: A line with zero slope is horizontal and has the form \(y=\text{constant}\).
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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