Grade 8 Math Practice: Equation of a Line 01

1. Given the equation of a line $y=-x-2$ , what is the slope?

1

-1

0

-2

2. Given the equation of a line $y=2x$ , what is the y-intercept?

(0, 0)

(0, 1)

(0, 2)

none

3. Given the equation of a line $x+2y=1$ , what is the slope?

$2$

$1$

$\dfrac{1}{2}$

$-\dfrac{1}{2}$

4. Given the equation of a line $3x-\dfrac{1}{2}y=3$ , what is the y-intercept?

$(0, -6)$

$(0, 3)$

$(0, -\dfrac{1}{2})$

$(0, -3)$

5. What is the equation of the line shown in the graph below?

$y=-x+4$

$y=4x+\dfrac{1}{2}$

$y=4x-2$

$y=-\dfrac{1}{2}x+4$