Graphical Inequalities

Which is the equation of the line seen?

•   $y=\ x$  

•  $y=-x$  

•  $-y=\ x$  

•  $-y=\ -x$  

The equation of the line is: (select all that apply)

• $y\ =\ 3$

• $x=3$

• $2y\ =6$

• $y\ +\ x\ =\ x\ +\ 3$

Which is a coordinate on the line shown? (Select all that apply)

• (2,0)

• (0,2)

• (-2,0)

• (-2, -10)

For the line y = 2x + 5 which sentence most correctly describes the effect of the gradient.

• The gradient is 2.

• Every time the y-coordinate increases by 1, the x-coordinate increases by 2.

• Every time the x-coordinate increases by 1, the y-coordinate increases by 2.

• The gradient is positive.

If the equation of a straight line is  $y\ -5=\ 5-\ 3x$  select ALL that is true.

• The gradient is 3

• The gradient is -3

• The y-intercept is 5

• The y-intercept is 10

• The y-intercept is -5

What is the correct equation for the graph:

• $y\le x+3$

• $y\ge x+3$

• $y<x+3$

• $y>x+3$

What is the equation that this inequality is representing?

•  $y>\ x\ +3$  

•  $y\ >\ x$  

•  $y\ge x$  

•  $y\ge x+3$  

If the equation of a straight-line is:  $\frac{1}{2}y\ =\ 3x$  . What is the gradient of the line?

• 3

• 6

•  $\frac{3}{2}$  

For the line with equation  $\frac{y+3}{2}=\ x$  what is the gradient?

• 1

• 2

•  $\frac{2}{3}$  

•  $\frac{3}{2}$  

If the y-intercept of a straight-line graph is 5, which coordinate is a given?

• (5,0)

• (0,5)