Equation of a straight line

Which variable represents the y-intercept?

• y

• m

• x

• b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which of the following equations is equivalent to

-2x - 3y = 8

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the slope intercept form of the equation

-5x + y = 10

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the equation of a line in slope intercept form.
m = 0
b = 8

• y = 8x
• x = 8
• y = 8

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Convert the standard form equation into slope-intercept form.

3x+2y=12

Answer explanation

To solve for y, follow the steps:

1. add/subtract to eliminate x.

2. Divide/Multiply to eliminate the coefficient.

3. Simplify/Reduce terms

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Find the equation of the line with a slope of 1 and a

y- intercept of 4

• y = -x+ 4

• y = x +4

• y = -4x + 1

• y =4x -1

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Claire, Zack, and Cristian are on a mission to find a hidden time capsule. They found a note with a hint that says 'Follow the path y=-4x-5'. They know that the time capsule is buried at the y-intercept of this path. Can you help them find the time capsule? What is the y-intercept in this equation?

• -4

• -4x

• 5

• -5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Write the correct slope intercept equation of a line that crosses the y-axis at 6 and has a slope of 3.

• y=3-6
• y=3x-6
• y=3x+6
• y=6x+3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the y-intercept of the equation?

y = 3x - 12

• 3

• 12

• -3

• -12

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is the slope and y-intercept of the equation y=-3x+5?

• slope: 3 y-intercept: 5

• slope: -3 y-intercept: -5

• slope: 5 y-intercept: -3

• slope: -3 y-intercept: 5

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3