ACA Model and Solve Equations & Inequalities Review (Test 2-1)

Front

What is the solution to the inequality 5x - 4 > 21?

Back

x > 5

Front

How do you solve the equation 8x - 10 = -34 for x?

Back

x = -3

Front

If x = 14, what is the result of the equation 2(x - 3)?

Back

2(14 - 3) = 22

Front

What is the equation to determine the total cost, c, of a phone call that is m minutes long, given a base charge of $3.00 and $0.15 per minute?

Back

c = 3.00 + 0.15m

Front

What is the solution to the inequality -3y + 2 > 11?

Back

y < -3

Front

What does it mean for an inequality to be represented on a number line?

Back

It visually shows the range of values that satisfy the inequality.

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

How do you isolate a variable in an equation?

Back

You perform inverse operations to both sides of the equation until the variable is alone.

Front

What is the first step in solving the inequality 5x - 4 > 21?

Back

Add 4 to both sides to simplify the inequality.

Front

What is the significance of the slope in a linear equation?

Back

The slope indicates the rate of change of the dependent variable with respect to the independent variable.