6G Equations of Straight Lines

Which equation is gradient-intercept form?

• a²+b²=c²

• y=mx+c

• ax+by=c

• $\frac{\Delta y}{\Delta x}=m$

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?

What is the gradient of the equation

 $y=\frac{\left(3-x\right)}{2}$  

• 3

• -2

• -1/2

• 3/2

What is the y-intecept of the equation

 $2y=4x+6$  

• 2

• 6

• 3

• 4

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

Find the equation for the line.