SOL Review

Front

What is the solution of the system of equations: x + 2y = 23 and 4x - y = -7?

Back

(1, 11)

Front

Write in standard form: (x + 5)(x + 4)

Back

x² + 9x + 20

Front

Simplify: (3x² - 2x) - (-2x² + 3x)

Back

5x² - 5x

Front

What is the simplest form of the given radical?

Back

C

Front

Simplify the exponential expression: 2x²y⁶ * 4x⁴y⁶

Back

8x⁶y¹²

Front

What is the standard form of a linear equation?

Back

Ax + By = C, where A, B, and C are constants.

Front

What does it mean for an equation to be in standard form?

Back

It means the equation is written as Ax + By = C, with A, B, and C as integers.

Front

How do you solve a system of equations using substitution?

Back

Solve one equation for one variable and substitute into the other equation.

Front

What is the quadratic formula?

Back

x = (-b ± √(b² - 4ac)) / (2a) for ax² + bx + c = 0.

Front

What is the difference between a rational and an irrational number?

Back

Rational numbers can be expressed as a fraction, while irrational numbers cannot.