University:
Glendale Community College
Course:
MAT142 | College Mathematics
Academic year:

2020
Views:

196

Pages:

10
Author:

Deangelo Hodges

Grima MAT 114 Chapter 1 Extra practice test. Problems 1 – 12 from section 1.1 Problems 13 – 15 from section 1.2 Problems 16 – 19 from section 1.3 Problems 20 – 26 from section 1.4 Problems 27 – 29 from section 1.5 Problems 30 – 33 from section 1.6 Problems 34 – 36 from section 1.7 Problems 36 – 38 from section 1.8 Problems 39 – 44 from section 1.9 #1-8: Translate into an algebraic expression: 1) Twice the cost of a used car, c. 2) 12 less than a number, n. 3) 5 more than the amount, a 4) 15 less than 4 times a number, n 5) Four times x plus three times y. 6) Four times x minus three times y. 7) Four times the sum of twice x and three times y. 8) Four times the difference of x and three times y. 9a) The Perimeter of a rectangle (p) is equal to twice its length (l) plus twice its width (w). Write and equation for the perimeter of a rectangle in terms of its length and width. 9b) Find the Perimeter of a rectangle that has width 4 inches and length 3 inches. 10a) Maya’s age (m) is 6 years more than two times Etta’s age, e. Write an equation the represents Maya’s age in terms of Etta’s age. 10b) How old is Maya if Etta is 8? #11 – 12: Identify and combine like terms. 11) 7𝑥 2 + 3𝑥 + 9 − 4𝑥 2 − 𝑥 − 3 12) 7𝑥 2 + 3𝑥𝑦 − 5 − 𝑥 2 − 2𝑥𝑦 + 8 13) Simplify the following addition problem. (−3) + (−4) + 8 14) Simplify the following subtraction problem. (−3) − (−2) − 6 15) Simplify (work left to right, subtraction can be done before addition) −6 − (−4) + 5 #16 – 23: Simplify 16) (−4)(5) 17) (−7)(−3) 18) −20 ÷ (−5) 19) 10 −2 20) −32 21) −42 22) (−2)2 23) (−2)3 #24-25 Simplify using order of operations. 24) 12 − 20 ÷ 4 ∗ 3 + 1 25) 12 + (−7) + (5 − 8)2 𝑥 2 − 2𝑥𝑦 − 11 26) Evaluate the following at 𝑥 = −3 𝑎𝑛𝑑 𝑦 = 2: 27) Reduce the fraction. 15 24 28) Multiply, write your answer in lowest terms: 30 6 ∗ 12 35 29) Divide, write your answer in lowest terms: 15 14 ÷ 25 21 30) Add simplify. (leave your answer as an improper fraction when appropriate) 7 12 + 5 8 31) Subtract and simplify. (leave your answer as an improper fraction when appropriate) 2 1 − − 5 2 32) Subtract and simplify. (leave your answer as an improper fraction when appropriate) 2 1 − − (− ) 3 2 33) Simplify, write your answer as an improper fraction when 5 2 3 applicable. × ( + ) 7 5 2 34) Round to the nearest tenth: 18.295 35) Round to the nearest hundredth: 18.2844 36) Complete the table. Fraction Decimal Percent 0.15 37) Complete the table. Fraction Decimal Percent Decimal Percent 3 5 38) Complete the table. Fraction 35 #39-44: Simplify 39) −6(4𝑥 2 − 5𝑥 + 3) 40) 4(𝑥 2 + 5𝑥 − 3) 41) 4 ÷ 0 42) 9 0 43) 0 ÷ 3 44) 0 7 Grima MAT 114 Chapter 1 Extra practice test answers. 1) 2𝑐 2) 𝑛 − 12 3) 𝑎 + 5 4) 4𝑛 − 15 5) 4𝑥 + 3𝑦 6) 4𝑥 − 3𝑦 7) 4(2𝑥 + 3𝑦) 8) 4(𝑥 − 3𝑦) 9a) 𝑝 = 2𝑙 + 2𝑤 9b) 14 𝑖𝑛𝑐ℎ𝑒𝑠 10a) 𝑚 = 2𝑒 + 6 10b) 22 𝑦𝑒𝑎𝑟𝑠 𝑜𝑙𝑑 11) 3𝑥 2 + 2𝑥 + 6 12) 6𝑥 2 + 𝑥𝑦 + 3 13) 1 14) −7 15) 3 16) −20 17) 21 18) 4 19) −5 20) −9 21) −16 22) 4 23) −8 26) 10 27) 30) 29/24 31) − 10 5 8 28) 9 12 7 1 32) − 6 29) 9 10 33) 19 14 24) −2 25) 14 34) 18.3 35) 18.28 36) Complete the table. Fraction Decimal 3/20 Percent 0.15 15% 37) Complete the table. Fraction Decimal 3/5 Percent 0.6 60% 38) Complete the table. Fraction Decimal 7 20 Percent 0.35 39) −24𝑥 2 + 30𝑥 − 18 40) 4𝑥 2 + 20𝑥 − 12 41) undefined 42) undefined 35% 43) 0 44) 0