Algebra CC Midterm Review (Units 1A, 1B, 2 and 3)

Front

How many terms are in the expression: 5a^2 + 7a - 8?

Back

Three terms.

Front

Write a rule for the following table: x: -2, -1, 0, 1, 2, 3; y: -3, 0, 3, 6, 9, 12.

Back

y = 3x + 3

Front

True or False: The domain of an exponential function is all real numbers.

Back

True.

Front

Solve the system: 3x + 2y < 16 and 7x + y ≥ 19. What is the solution?

Back

(4, -2)

Front

Michelle spends t + 4 hours per day watching television. Carmen spends t hours and Henry watches t - 2 hours. Find the average number of hours of TV time for the three students.

Back

Front

What is a term in algebra?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both.

Front

What is an expression in algebra?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) without an equality sign.

Front

What is a variable?

Back

A variable is a symbol (usually a letter) that represents an unknown value.

Front

What does it mean to solve an equation?

Back

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

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input.