Unit 3 Review

Front

What is the slope in the equation: y=4x+3?

Back

The slope is 4.

Front

Evaluate the expression: Let g = 3, h = 9; 4h + 2g + 4.

Back

The result is 46.

Front

How would you solve this equation: 9x=153?

Back

Divide by 9 on both sides.

Front

x - 62 = 123. How should you show your work to isolate the variable?

Back

Add 62 to each side.

Front

Which equation has x = 5 as the solution?

Back

2x = 10.

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 isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the other.

Front

What is the formula for the slope of a line?

Back

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

Front

What is the process to evaluate an expression?

Back

Substitute the values of the variables and perform the arithmetic operations.

Front

What is the solution to the equation: 2x + 3 = 11?

Back

x = 4.