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Australia
Year 9

4.05 Gradient-intercept form

Interactive practice questions

What does $m$m represent in the equation of a line $y=mx+c$y=mx+c?

$x$x-intercept

A

$y$y-intercept

B

Gradient

C
Medium
< 1min

What does $c$c stand for in the equation of a line $y=mx+c$y=mx+c?

Medium
< 1min

Consider the linear equation $y=-2x+9$y=2x+9.

What are the values of the gradient $m$m and the $y$y-intercept $c$c?

Easy
< 1min

Consider the linear equation $y=-4x-8$y=4x8.

What are the values of the gradient $m$m and the $y$y-intercept $c$c?

Easy
< 1min
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Outcomes

AC9M9A03

find the gradient of a line segment, the midpoint of the line interval and the distance between 2 distinct points on the Cartesian plane

AC9M9A05

use mathematical modelling to solve applied problems involving change including financial contexts; formulate problems, choosing to use either linear or quadratic functions; interpret solutions in terms of the situation; evaluate the model and report methods and findings

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