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Class 9MathematicsIntroduction to PolynomialsSlope and y-interceptMedium
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What is the slope of the equation (y-8=-5x)?

Answer and explanation

Correct answer: \(-5\)

Adding 8 to both sides of \(y-8=-5x\) gives \(y=-5x+8\). In slope-intercept form \(y=mx+c\), the coefficient of \(x\), namely \(m\), is the slope. Therefore, the slope is \(-5\). Here, \(8\) is the y-intercept, not the slope. Exam tip: Rewrite the equation in the form \(y=mx+c\) and identify the coefficient of \(x\).

Related tags

Linear EquationsSlopeSlope Intercept FormCoordinate GeometryPolynomialsSlope And Y InterceptIntroduction To PolynomialsMathematics
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10 more MCQs
  1. 1What is the slope of the line (y=2x+5)?
  2. 2What is the (y)-intercept of the line (y=3x-4)?
  3. 3What is the slope of the line (y=-x+7)?
  4. 4What is the slope of the line (y=8-2x)?
  5. 5What is the (y)-intercept of the line (y=x+9)?
  6. 6What is the slope of the line (y=5x)?
  7. 7What is the (y)-intercept of the line (y=-6)?
  8. 8In the form (y=mx+c), what does (m) represent?
  9. 9In the form (y=mx+c), what does (c) represent?
  10. 10Which line has slope (4) and (y)-intercept (1)?
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