Algebra 2 - Solving Equations Review

Front

Which of the following is irrational? Square root of 81, Square root of 9, Square root of 144, Square root of 12

Back

Square root of 12 is irrational because it cannot be expressed as a fraction of two integers.

Front

All natural (counting) numbers are..

Back

Whole numbers, integers, rational numbers.

Front

Solve |9 - 2p| = -9

Back

No solution, because the absolute value cannot be negative.

Front

Solve |2a - 10| = 6

Back

a = 8 or a = 2.

Front

Solve for x: 2x + 18 - 1 = 33

Back

x = 8.

Front

What is an absolute value?

Back

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

Front

Define rational numbers.

Back

Rational numbers are numbers that can be expressed as a fraction of two integers.

Front

What is the solution set of an equation?

Back

The solution set is the set of all values that satisfy the equation.

Front

What does it mean to solve an equation?

Back

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

Front

What is the difference between integers and whole numbers?

Back

Whole numbers include all natural numbers and zero; integers include all whole numbers and their negative counterparts.