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Equation of a Straight Line Quiz

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Questions and Answers

Given a straight line with a gradient of 2 and a y-intercept of 5, what is the equation of the line?

$y = 2x - 5$

$y = 5x - 2$

$y = 2x + 5$ (correct)

$y = 5x + 2$

Given a straight line with a gradient of -3 and a y-intercept of -2, what is the equation of the line?

$y = 2x - 3$

$y = -2x - 3$

$y = -3x - 2$ (correct)

$y = 3x - 2$

Given a straight line with a gradient of 0.5 and a y-intercept of -4, what is the equation of the line?

$y = 4x + 0.5$

$y = 0.5x - 4$ (correct)

$y = -0.5x - 4$

$y = -4x + 0.5$

Study Notes

Equations of Straight Lines

The equation of a straight line with a gradient of 2 and a y-intercept of 5 is y = 2x + 5.
The equation of a straight line with a gradient of -3 and a y-intercept of -2 is y = -3x - 2.
The equation of a straight line with a gradient of 0.5 and a y-intercept of -4 is y = 0.5x - 4.
The general form of the equation of a straight line is y = mx + c, where m is the gradient and c is the y-intercept.

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Description

Test your knowledge of finding the equation of a straight line using the gradient and y-intercept. Solve equations for lines with different gradients and y-intercepts to improve your skills in writing linear equations.