Straight Lines

 $y=mx+c$  
m refers to the

• gradient

• X-intercept

• coordinate

• y-intercept

Tags

CCSS.HSS.ID.C.7

P is the point (−2,3) and Q is the point (4,15). Find the gradient of the straight line PQ.

• $-2$

• $-\frac{1}{2}$

• $\frac{1}{2}$

• $2$

 $4x+6y=0$  
What is the gradient of the straight line above?

•  $\frac{2}{3}$  

•  $-\frac{2}{3}$  

• 4

• 6

 $y=2x+3$  
What is the y-intercept of the above equation

• 2x

• -3

• 3

• 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

 $4y-3x=12$  
Determine the x-intercept of the above straigt line. 

•  $-4$  

•  $-\frac{1}{4}$  

• 3

• 12

A vertical line cuts the x-axis at 4, what is the equation of the line

• $x=4$

• $y=4x$

• $y=4$

• $y=x+4$

Find the equation of the straight line MN if its gradient is equal to 3 and the line passes through point 
 $\left(-2,5\right)$ .

• $y=2x+5$

• $y=-3x+11$

• $y=3x-11$

• $y=3x+11$

 $\frac{x}{4}+\frac{y}{2}=1$  
Convert the equation of the straight line above to the form :
 $ax+by=c$  

•  $x+4y=1$  

•  $x+4y=4$  

•  $x+2y=1$  

•  $x+2y=4$  

The diagram shows two parallel straight lines drawn on a Cartesian plane. Determine the equation of straight line PQ.

•  $y=3x+2$  

•  $y=3x+4$  

•  $2y=3x+4$  

•  $2y=3x+8$  

Choose the straight lines which have the same y-intercept.

• $3x+2y+2=0$

• $y=3x-2$

• $\frac{x}{3}+\frac{y}{\left(-2\right)}=1$