Chapter 5 Test Review CC3

Front

What is the first step in solving the equation 2x + 3y = 12 for y?

Back

Subtract 2x from both sides of the equation.

Tags

CCSS.HSA.REI.B.3

Front

What is the growth rate when solving the equation 5x + 10y = 20 for y?

Back

-1/2

Tags

CCSS.8.EE.B.5

Front

Solve for x in the equation -0.05x + 0.6 = 5.5 - 0.1x.

Back

x = 98

Front

Solve for y in the equation 4x + 3y = 9.

Back

y = -4/3x + 3

Tags

CCSS.6.EE.C.9

Front

Solve for y in the equation 2x + 2y = 6.

Back

y = -x + 3

Tags

CCSS.6.EE.C.9

Front

What does it mean to isolate a variable in an equation?

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

What is the y-intercept of the equation y = -2x + 5?

Back

The y-intercept is 5.

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6

Front

What is the process of solving a linear equation?

Back

Combine like terms, isolate the variable, and simplify.

Tags

CCSS.7.EE.B.4A