Algebra I Midterm Exam Review

Front

What is the first step to solve the equation: 1 + 4n - 6n = 1 - 8n?

Back

Combine the like terms 4n + -6n.

Front

Which point is a solution to the equation y = 2x + 2?

Back

(1, 0) is a solution.

Front

What is the solution to the system of equations: 2x + 3y = 6 and 4x - y = 5?

Back

(6, -2) is the solution.

Front

Given g(x) = 20x - 189, what is g(1/2)?

Back

g(1/2) = -179.

Front

Solve the equation: 2(4x - 3) - 8 = 4 + 2x.

Back

x = 3.

Front

What does it mean to combine like terms in an algebraic expression?

Back

Combining like terms means to add or subtract terms that have the same variable raised to the same power.

Front

What is the definition of a solution to an equation?

Back

A solution to an equation is a value that makes the equation true when substituted for the variable.

Front

What is the process to solve a system of equations graphically?

Back

To solve graphically, plot both equations on the same graph and identify the point(s) where they intersect.

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to get the variable alone on one side of the equation.