Thursday, December 12, 2018 Agenda: Unit 1 Review

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Thursday, December 12, 2018 Agenda: Unit 1 Review Absolute value equations & inequalities Equation word problems Number of solutions an equation can have Proving each step of solving and equation with a property

Most missed questions from the test: #1 Kick High Karate School charges $75 for enrollment plus $5 per class. Karate Belt Karate School charges $50 for enrollment plus $10 per class. For how many classes will Karate Belt Karate School be more expensive. 5 or more classes 5 or fewer classes 6 or more classes 6 or fewer classes Correct answer: C

Most missed questions from the test: #5 Solve and graph the solution to the inequality: −3 6𝑥−6 +24<15

Most missed questions from the test: #9 The formula for the area of a kite is 𝐴= 𝑑 1 𝑑 2 2 , where d 1 and d 2 are the lengths of the diagonals. If a kite has an area of 1.5 square feet and a diagonal with a length of 3 feet, what is the length of the other diagonal? Correct answer: 1 foot

Most missed questions from the test: #11 Grace has $6 to buy a gallon of milk and some apples. The gallon of milk costs $3.59 and the apples cost $0.60 each. Which inequality could she use to find out how many apples she can buy? 6≤0.6𝑥 −3.59 6≤0.6𝑥+3.59 6≥0.6𝑥+3.59 6≥0.6𝑥 −3.59 Correct answer: C

Absolute Value Equations

Absolute Value Equations

Absolute Value Inequalities

Absolute Value Inequalities Correct answer: C