Mod 3 Review

1. Fill in the blank.

A value that satisfies an equation is a____________________________.

2. 2. Is the statement an expression or an equation?

2x = 8

• expession

• equation

2. 2. Is the statement an expression or an equation?

7c-2

• expession

• equation

2. 2. Is the statement an expression or an equation?

5(2.3r+4)

• expession

• equation

2. 2. Is the statement an expression or an equation?

5n + 2 = 7

• expession

• equation

• expession

• equation

4.

The equation 2x + 3 = 6x − 1 represents the number of pounds of apples, x,  in a container.

Solve the equation.

5 

Determine whether the equation has one solution, no solution, or infinitely many solutions.

2(4x+3)=8(x+2)-10

• one solution

• no solution

• many solution

5.

 Determine whether the equation has one solution, no solution, or infinitely many solutions.

 3(x−5)=2(5+2x)

• one solution

• no solution

• many solution