T1 Straight lines: equations, parallel and perpendicular

State which, if any, of the following lines are parallel.

Select the correct answer from the list below:

• c and d

• c, d, and e

• a, b, and c

• a,b, and d

Find the equation the line perpendicular to  $4y+5x=2$  

and passes through the point (4,3).

Select the correct answer from the list below:

• $y=-\frac{5}{4}x-\frac{1}{2}$

• $y=\frac{4}{5}​x−\ \frac{1}{5}$

• $y=-\frac{5}{4}​x+\frac{5}{3}$

• $y=5x+2$
  

Calculate the gradient of the line drawn below.

• $Gradient=2$

• $Gradient=-4$

• $Gradient=\frac{1}{2}$

• $Gradient=-2$

Calculate the gradient of the line drawn below.

• $Gradient=\frac{2}{3}$

• $Gradient=\frac{3}{2}$

• $Gradient=-\frac{2}{3}$

• $Gradient=-\frac{3}{2}$

Find the gradient of the line that passes through A(12,13) and B(7, 7).

Select the correct answer from the list below:

• $Gradient=-\frac{5}{6}$

• $Gradient=\frac{5}{6}$

• $Gradient=-\frac{6}{5}$

• $Gradient=\frac{6}{5}$

 $3y-x=7$  

Find the straight line that is perpendicular to the line
and passes through the point (-2,2).
Select the correct answer from the list below:

• 
• 
• 
• 

Ploy the graph of the equation

Select the correct answer from the list below: 

 $y=2x-1$  

• 
• 
• 
• 

What's the gradient of a line whose equation is 

 $y=7x−3$  

•  $3$  

•  $-3$  

•  $7$  

•  $-7$  

What's the value of  intersects the y-axis?

 $y=−4x+1$  

•  $-4$  

•  $4$  

•  $-1$  

•  $1$  

Perpendicular lines have the same slope.

• True
• False