Linear Equations
The point-gradient formula
Interactive practice questions
What is the equation of the line L1 that has a gradient equal to $4$4, and cuts the $y$y-axis at $-5$−5.
$y=4x-5$y=4x−5
A
$y=4\left(x-5\right)$y=4(x−5)
B
$y=-5x+4$y=−5x+4
C
Easy
< 1min
Which of the following is true of a straight line with gradient $1$1 going through point $A$A($-4$−4, $2$2)?
Easy
< 1min
Determine the equation of line L1, given that it has a gradient of $\frac{3}{4}$34, and cuts the $y$y -axis at $-1$−1. Express the equation in gradient intercept form.
Easy
< 1min
A line has a gradient of $-4$−4 and cuts the $y$y-axis at $-9$−9.
Easy
3min
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