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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?
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?
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?
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)
- $y = -0.5x - 4$
- $y = -4x + 0.5$
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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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