Unit 4 Grade 8 IM Review

Front

What is the solution type for the equation -2x + 4 = -3x + 4?

Back

One Solution

Front

What is the solution type for the equation 4x - 6 = 4x + 3?

Back

No Solution

Front

Solve the equation: 2k - 3(4 - k) = 3k + 4

Back

8

Front

Solve the equation: 5x + 12 = 4x + 6

Back

-6

Front

What does the graph of a system of equations look like when it has 1 solution?

Back

Two lines that intersect at one point.

Front

What does it mean if two lines are parallel in a system of equations?

Back

They have no solutions.

Front

What does it mean if two lines are on top of each other in a system of equations?

Back

They have infinite solutions.

Front

What is the first step to solve the equation 3x + 5 = 20?

Back

Subtract 5 from both sides.

Front

What is the definition of a variable in algebra?

Back

A symbol used to represent an unknown value.

Front

What is the purpose of isolating the variable in an equation?

Back

To find the value of the variable.