Algebra and Graph revision

The equation of a straight line  $y=3-7x$  
When x=2, y = 

• -14

• -11

• 3

• 11

• 17

The equation of a straight line  $y=-12-5x$  

The y-intercept is:

• -12

• -5

• 5

• 12

• 7

The equation of a straight line is $y+3x=12$  

The slope is

• -4

• -3

• 3

• 12

• 15

The slope of the line passing through the points (17,34) and (25,10) is

• -3

• -2

• 0.3

• 3

• 5.5

The graph of $y=12-4x$  is

• 
• 
• 
• 
• 

The equation of the graph shown is

• $x=7$

• $x+y=7$

• $y=7$

• $y=7x$

• $x=7y$

The equation of the graph shown is

• $y=2.5x-10$

• $y=2.5x+10$

• $y=5x-10$

• $y=5x+10$

• $y=10-5x$

Which of the following points lie on the line  $y=2x-12$  

• (0,0)

• (2,-12)

• (2,10)

• (2,-8)

• (2,14)

Which of the following is NOT true about the slope

• It is the steepness of a line

• The higher the slope, the flatter the line

• Also called gradient

• Is calculated by : $\frac{y_2-y_1}{x_2-x_1}$

What is the y intercept of the line 3y = 12x + 15

• 27

• 15

• 4

• 5