Solving Special Equations Review Day 1 - Alg 1

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, regardless of direction. It is always non-negative.

Front

Solve for x: |4x| = 16

Back

x = -4, x = 4

Front

What does it mean to solve an equation with absolute values?

Back

It means to find all possible values of the variable that make the equation true, considering both the positive and negative scenarios.

Front

Solve for x: |4x - 3| = 17

Back

x = 5 and x = -3.5

Front

What is the first step in solving |x - a| = b?

Back

Set up two equations: x - a = b and x - a = -b.

Front

Solve for x: |x - 6| + 4 = 10

Back

x = 12 and x = 0

Front

What is the solution to |x + 9| = -5?

Back

No solution, because absolute values cannot be negative.

Front

How do you find the unit price of an item?

Back

Divide the total price by the total weight or quantity to find the price per unit.

Front

Find the unit price of Oreos priced at $2.98 for 15.5 oz.

Back

Unit price = $2.98 / 15.5 oz = $0.192 per oz.

Front

Find the unit price of Chips Ahoy priced at $2.50 for 14 oz.

Back

Unit price = $2.50 / 14 oz = $0.179 per oz.