Math 8 Semester 1 Exam Review

Front

What is the solution to the inequality 6x + 10 > 5x - 12?

Back

x > -22

Front

Rewrite the expression 2^{-7} using positive exponents.

Back

\frac{1}{2^7}

Front

What does it mean for a table to represent a function?

Back

A table represents a function if each input (x-value) corresponds to exactly one output (y-value).

Front

What is the result of (3^4)^2?

Back

3^8

Front

Solve the equation: 12x - 15 = 3(2x + 3)

Back

x = 4

Front

What is the definition of a function in mathematics?

Back

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

Front

How do you simplify the expression (a^m)^n?

Back

You multiply the exponents: a^{m*n}.

Front

What is the value of 2^{-3}?

Back

\frac{1}{2^3} = \frac{1}{8}.

Front

What is the difference between independent and dependent variables?

Back

Independent variables are manipulated, while dependent variables are measured.

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.