Algebra 1 First Semster Final Review

Front

What is the solution to the inequality -9a - 1 < 26?

Back

a > -3

Front

Tom received an allowance of $300 for his upcoming trip to Canada. He knows that he will spend $15 each day on food. Which equation represents the amount of extra spending money, m, that Tom will have after d days on his trip?

Back

m = 300 - 15d

Front

Identify the slope and rate of change for the equation where m = 2.

Back

The slope represents the cost for each additional pool visit.

Front

Solve by Substitution: x = -3y - 17 and 2x + 3y = -7. What is the solution?

Back

(10, -9)

Front

What is the solution to the system of equations?

Back

(4, -1)

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.

Front

How do you solve a system of equations using substitution?

Back

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

Front

What is the formula for the slope between two points (x1, y1) and (x2, y2)?

Back

m = (y2 - y1) / (x2 - x1)