Pre Alg 7 warm up 12/5 & 12/6

Front

What happens to the inequality sign when you multiply or divide both sides by a negative number?

Back

The inequality sign flips.

Front

Back

Front

How do you find the coordinates of a point in a coordinate plane?

Back

The coordinates are given as (x, y), where x is the horizontal position and y is the vertical position.

Front

What is the total cost including tax for an item that costs $58.50 with a sales tax of 6.5%?

Back

Total cost = $58.50 + ($58.50 * 0.065) = $62.30.

Front

Write the inequality for Sylvia's savings goal of at least $200 if she currently has $60 and saves $5 per week.

Back

Front

Back

Front

Back

Front

What does it mean for a point to be in the first quadrant of a coordinate plane?

Back

Both x and y coordinates are positive.

Front

What is the formula to calculate sales tax?

Back

Sales Tax = Price × Tax Rate.

Front

How do you isolate a variable in an inequality?

Back

Perform the same operations on both sides of the inequality, keeping in mind to flip the sign if multiplying or dividing by a negative.