Unit 3A Test (Pre-Algebra)

Front

What is the sum of two integers if the larger number is 14 more than the smaller number and their total is 160?

Back

The two integers are 73 and 87.

Front

Translate the sentence: 'three times a number subtracted from ten is twenty'.

Back

10 - 3n = 20.

Front

Solve for x: -6x = 30.

Back

x = -5.

Front

Back

m = -18.

Front

What is the solution to the equation: 2y − 3 = 2y − 3?

Back

There are infinitely many solutions.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What does it mean for two numbers to be 'consecutive'?

Back

Consecutive numbers are numbers that follow each other in order, such as 1 and 2, or 73 and 74.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents a number in mathematical expressions or equations.

Front

What is the definition of an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.