Linear Graphs

The steepness of a line is called a

• slope

• y-intercept

• x-intercept

• slope-intercept

In the equation y=7x + 3 what is the slope?

• 7

• 3

• 4

• 10

In the equation y=mx + b, b represents the

• slope

• y-intercept

• x-intercept

• slope-intercept

In the equation y = 3x - 3, what is the y intercept

• 3

• -3

• 3

• 9

From the points (8,0) and (10, 5), what is the gradient

• 5/2

• 2/5

• 3

• 7

If a line has a gradient of 10 and a y-intercept of 5, what is the equation of the line in slope intercept form?

• y = 15x

• y = 5x + 10

• y = 10x + 5

• y = 10x + 5z

Which is the equation of this line?

• y = 4x + 5

• y = 5x + 4

• y = 4x

• y = 5x

Vertical lines have

• Negative slopes

• Zero slopes

• Positive Slopes

• Undefined Slopes

Horizontal lines have

• Undefined slopes

• Zero slopes

• Negative slopes

• Positive Slopes

If a line has a slope of  $\frac{1}{2}$  and a y-intercept of 6 what is the equation of the line

• y =  $\frac{1}{2}$  x + 6

• y = 6x +  $\frac{1}{2}$  

• y = $6\frac{1}{2\ }x$