Unit 1 Review! Created by Educational Technology Network. www.edtechnetwork.com 2009

Equations/ Inequalities Conversions Equations/ Inequalities Writing Equations Identify Expression Random 100 200 300 400 500

Question 1 - 10 Convert 16 cm to meters

Answer 1 – 10 .16 meters

Question 1 - 20 Convert 2 miles to feet

Answer 1 – 20 10,560 feet

Question 1 - 30 Convert 8,000 seconds to hours

Answer 1 – 30 2.22 hours

Question 1 - 40 If I drive 45 miles per hour (mi/hr) to my friends house how fast am I going in feet per sec (ft/sec)?

Answer 1 – 40 66 ft/sec

Question 1 - 50 If a tank releases 20 gallons every 20 minutes how many pints would it release every hour?

Answer 1 – 50 480 pints/hr

Question 2 - 10 Given that Area= (base)(height) {A=bh}, what is height in terms of area and base? (Hint: solve for h)

Answer 2 – 10  

Question 2 - 20  

Answer 2 – 20 p= 3q

Question 2 - 30  

Answer 2 – 30  

Question 2 - 40  

Answer 2 – 40 y = -54

Question 2 - 50 Write the inequality that represents this graph: 2 3 4

Answer 2 – 50  

Question 3 - 10 Write an equation for the cost of going on x number of rides at an amusement park if customers pay $6 to enter the park and $2 per ride they go on.

Answer 3 – 10 C = 2x + 6

Question 3 - 20 An insect population triples every month. If the population started out with 24 insects, how many insects would be there in x months?

Answer 3 – 20  

Question 3 - 30 The sum of 3 consecutive integers is 696. Write an equation that can help you find the 3 integers.

Answer 3 – 30 X + X + 1 + X + 2 = 696 Or 3x + 3 = 696

Question 3 - 40 Amber wants to buy her brother some UGA clothes before starts school there. She has $90 to spend on him. The hats are $15 each, and the t-shirts are $25 each. Write an equation to model this situation using h to represent hats and t to represent t-shirts.

Answer 3 – 40 15h + 25t = 90

Question 3 - 50 A pastry chef decorates cakes. It takes 15 minutes to set up the equipment and 20 minutes to clean everything up. Once the chef begins, it takes him around 18 minutes to decorate a cake. Write an equation to describe how many cakes he can decorate in 143 minutes.

Answer 3 – 50 18x + 35 = 143

Question 4 - 10  

Answer 4 – 10 3

Question 4 - 20  

Answer 4 – 20 4, – 8

Question 4 - 30  

Answer 4 – 30 – 12

Question 4 - 40 Lola travelled to New York to visit her grandmother. When she arrived at the airport she discovered that she would need to take a taxi to her grandmother’s house. The sign says the cost for the taxi is $5.00 plus .20 a mile. Lola wrote an equation to model the cost of the trip: y = .20x + 5. What does the “x” represent

The amount of miles she drives Answer 4 – 40 The amount of miles she drives

Question 4 - 50 What are the term(s), coefficient(s), and constant(s) described by the phrase, “the cost of 6 pizzas, c being the cost of each pizza, and a delivery charge of $5?”

terms: 6c and 5, coefficient: 6, constant: 5 Answer 4 – 50 terms: 6c and 5, coefficient: 6, constant: 5

Question 5 - 10 Which value is more exact? 5.4 or 5.41

Answer 5 – 10 5.41

Question 5 - 20  

Answer 5 – 20  

Question 5 - 30 If I drive 150 miles in 3 hours approximately how many miles did I drive each hour?

Answer 5 – 30 50 miles

Question 5 - 40 If 4x = 32 then what does 35 – 5x equal?

Answer 5 – 40 – 5

Question 5 - 50 Which quantity is bigger? Prove with a conversion. 3.5 kg or 3,005,000 cg

Answer 5 – 50 3,005,000 cg 3,500 g vs. 30,050 g