Ch. 1-4, 6 Review

Front

Solve: -2x ≤ 14

Back

x ≥ -7

Front

Write the equation of the line. Hint: Make a table to help you.

Back

y = -3x - 3

Front

Evaluate this expression using the quotient rule: 9^9 / 9^4

Back

9^5

Front

To pay for college expenses, Josh borrows $7000. She plans to repay the loan in 5 years. If Josh repays a total of $9187.50, what is the interest rate?

Back

6.25%

Front

Choose the best estimate for 35% of 40 (NO CALCULATOR)

Back

14

Front

What is the definition of a linear equation?

Back

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

Front

What does the slope of a line represent?

Back

The rate of change of y with respect to x; it indicates how steep the line is.

Front

What is the formula for calculating simple interest?

Back

I = PRT, where I is interest, P is principal, R is rate, and T is time.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.

Front

What is the purpose of the quotient rule in exponents?

Back

To simplify expressions where the same base is divided, by subtracting the exponents.