Review Day 2

Front

What is the solution to the equation 2x + 2 = 10?

Back

x = 4

Front

Back

m = {15, -15}

Front

What are three consecutive even numbers that sum to -138?

Back

The smallest number is -48.

Front

Back

x = {21, -21}

Front

Back

m = {7, -7}

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, always non-negative.

Front

Define consecutive even numbers.

Back

Consecutive even numbers are integers that are even and differ by 2, e.g., 2, 4, 6.

Front

Back

It represents two solutions: x = a and x = -a, where a is a non-negative number.

Front

How do you solve an absolute value equation?

Back

Isolate the absolute value expression and set up two separate equations to solve.

Front

What is the sum of three consecutive even numbers if the smallest is x?

Back

The sum is x + (x + 2) + (x + 4) = 3x + 6.