DMA 2 Review

Front

Back

12

Front

Which equation represents 'Five times the sum of a and 2 is the same as b'?

Back

b=5(a+2)

Front

What is the solution to the equation 8 − 3(1–x) = 2(x+1) − 3?

Back

x=−6

Front

What is the solution to the equation 2|3−x|=8?

Back

x=−1 or x=7

Front

Back

x<−19

Front

Define a linear equation.

Back

An equation that makes a straight line when graphed, typically in the form y = mx + b.

Front

What does it mean to solve an equation?

Back

Finding the value(s) of the variable(s) that make the equation true.

Front

What is the absolute value of a number?

Back

The distance of that number from zero on the number line, always non-negative.

Front

What is the distributive property?

Back

a(b + c) = ab + ac, meaning you multiply a term by each term inside the parentheses.

Front

What is a variable in mathematics?

Back

A symbol, often a letter, that represents an unknown value.