Week 13 MA1022 SP1

Which of the lines in the figure above is represented by the equation  $y=\frac{3}{7}x+3$  

• Green, y-intercept = 6
  

• Pink, y-intercept = 4
  

• Purple, y-intercept = 3
  

• Red, y-intercept = 1
  

• Orange, y-intercept = -3
  

What is the y-intercept for the line passing through the point  $\left(-2,6\right)$  with an x-intercept of  $2$ ?

Which of the following is the equation for a horizontal line passing through the point  $\left(2,3\right)$ ?

•  $y=3$  

•  $y=2$  

•  $x=3$  

•  $x=2$  

Which of the following is the equation for a vertical line passing through the point  $\left(-1,-2\right)$ ?

•  $x=-1$  

•  $x=-2$  

•  $y=-1$  

•  $y=-2$  

Rearrange into standard form the following equation for a straight line:  $3x+2y=6$ 

•  $y=-\frac{3}{2}x+3$  

•  $y=-\frac{2}{3}x+2$  

•  $y=-3x+3$  

•  $y=-\frac{1}{2}x+1$  

What is the y-intercept for a straight line with a gradient of  $m=2$  passing through the point  $\left(1,2\right)$ ?

Which of the following equations represents the straight line shown above?

• $y=3x-1$

• $y=-x+3$

• $y=\frac{1}{3}x-1$

• $y=2x-1$

Which of the following equations represents the straight line shown above?

• $y=-\frac{1}{2}x-1$

• $y=-2x-1$

• $y=-\frac{1}{2}x-2$

• $y=-2x-2$

Select the option that describes the line shown above:

•  $m=\frac{2}{3},\ c=2$  

•  $m=\frac{3}{2},\ c=2$  

•  $m=\frac{2}{3},\ c=-3$  

•  $m=\frac{3}{2},\ c=-3$  

Select the equation of the line passing through the points  $\left(1,2\right)$  and  $\left(-1,-4\right)$  

•  $y=3x-1$  

•  $y=\frac{1}{3}x-1$  

•  $y=3x+1$  

•  $y=\frac{1}{3}x+1$