(7) Fall S1 Final Exam Study Guide 7

Front

What is the equation that best represents the model for the expression: 4 - 2?

Back

-4 - 2 = -6

Front

Solve the inequality: 2x + 9 ≤ 43

Back

x ≤ 17

Front

Solve for t in the equation: 11t + 7 = 106

Back

t = 9

Front

Solve the inequality: 5x – 7 < 34

Back

x < 8.2

Front

Which operation results in a number larger than 70: 70 x -10, 70 - (-10), or 70 + (-10)?

Back

70 - (-10) results in a number larger than 70.

Front

What is the definition of an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

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 the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater than or less than another.

Front

What is the solution to the equation: 3x + 5 = 20?

Back

x = 5.

Front

What is the process to isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone on one side.