Herbert Semester 1 Test Review Lovett

Front

Anything raised to a power of zero is always:

Back

1

Front

If Thomas triples his number and subtracts 13, the result is 305. What is the equation representing this situation?

Back

3x - 13 = 305

Front

Solve the system of equations: y = 4x + 1 and 3x + 2y = 13. What is the solution?

Back

(1, 5)

Front

Solve the system given: 3x - y = 7 and 2x + y = 3. What is the solution?

Back

(2, -1)

Front

Alex and 2 friends go to the movies. A ticket costs $7.75. If they each spent $10.25, how is the cost of popcorn represented?

Back

7.75 + (x/3) = 10.25

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What does it mean to solve an equation?

Back

To find the value(s) of the variable(s) that make the equation true.

Front

What is the solution to the equation 2x + 5 = 15?

Back

x = 5

Front

What is the definition of a system of equations?

Back

A set of two or more equations with the same variables.

Front

What is the method of substitution in solving systems of equations?

Back

Replacing one variable with an expression from another equation.