Unit 5 PRE Test

Front

What is the solution to the equation 2 + x = 7?

Back

x = 5

Front

What is the solution to the equation 3x = 9?

Back

x = 3

Front

What is the solution to the equation 3x = 15?

Back

x = 5

Front

What is the solution to the equation x + 3 = 9?

Back

x = 6

Front

If Beverly is 49 and is 6 years younger than Mike, what equation represents Mike’s age?

Back

m - 6 = 49

Front

What does the inequality sign > mean?

Back

greater than

Front

If Tyler puts $39.80 worth of gas in his truck at $3.98 per gallon, which equation can be used to find the number of gallons?

Back

3.98g = 39.80

Front

Using the equation y = kx, find k when x = 4 and y = 20.

Back

k = 5

Front

What is the definition of an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What is the definition of an inequality?

Back

A mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.