Equations of Straight Lines

Find the slope of the line.

• Undefined

• 0

• 1

• -1

Find the slope given the points (3,2) and (4,7).

• 4

• 5

• -5

• 1/5

Which equation is gradient-intercept form?

• a²+b²=c²

• y=mx+c

• ax+by=c

Find the equation for this line.

• y=x+1

• y=-x+1

• y=-x-1

• y=x-1

• y=(1/4)x+4

Find the equation of this line.

• y=(1/2)x+1

• y=-2x+1

• y=2x+1

• y=2x-1

in gradient-intercept form, which variable represents the gradient.

• m

• x

• y

• c

In gradient-intercept form, which variable represents the y-intercept.

• m

• x

• y

• c

What is the gradient of the equation y=3x+2?

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

• 3

• -2

• -1/2

• 3/2