MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Transcription

1 Chapter and 4 Practice Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve and check. 1) a - 14 = -1 B) 11 C) ) Find the measure of the unknown angle in the pair of supplementary angles. 2) 2) 1 Find the measure of x. 4 B) 22 C) 4 Translate into symbols. ) Angle x measures 21 more than angle y. y = x + 21 B) x = y + 21 C) x = y - 21 x = y ) Solve the problem. 4) The Smith family plans to carpet their new family room which is 24 feet long and 21 feet wide. The carpeting costs $10 per square yard. How many square yards will the family need and what will be the total cost for the carpeting? 6 ft 2 ; $80 B) 1 yd 2 ; $10 C) 04 yd 2 ; $040 6 yd 2 ; $60 4) Simplify each side of the equation and then solve. Check your solution. ) 8x + x - 4x = - B) C) ) Write the statement as an equation. 6) The width (W) of a room is three times the length (L). W = L/ B) W = L C) W L = W = L 6) Solve the problem. ) Use the formula P = 2L + 2W to find the perimeter of a rectangle with L = 2 feet and W = 12 feet. B) 24 C) 46 0 ) 1

2 Multiply and write the product in exponent form. 8) x 8 x x 40 B) 2x 40 C) x 1 2x 1 8) Identify if the whole number is prime or composite. 9) Prime B) Composite 9) Use a fraction to represent the shaded area of the figure. 10) 10) 1 6 B) 1 C) 6 1 Identify the following as a proper fraction, improper fraction, or a mixed number. 11) ) mixed number B) improper fraction C) proper fraction Change the improper fraction to a mixed number or a whole number. 12) 42 12) 9 2 B) 8 2 C) Change the mixed number to an improper fraction. 1) 1) 2 B) 2 C) Multiply the numerator and the denominator of the given fraction by the following factor to find an equivalent fraction. 14) Fraction: ) Factor : B) 2 0 C)

3 Find an equivalent fraction with the given denominator. 1) 11 8 =? 1) 22 B) 128 C) Simplify. ) 2 40 ) 4 B) 8 C) Solve. Write each fraction in simplest form. 1) There are 12,000 employees at a company. If 2400 are males, what fraction of the employees are males? 1 B) 4 C) males 1) Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero. 18) z6 z 18) z 6 - z B) z C) 1 z z 11 19) 6m12 n 9 4m 11 n 6 9n B) 6mn C) 9mn 9m 2 n 1 19) Simplify. Leave your answer in exponent form. 20) (a) 2 6a B) 6a 2 C) 9a 9a 2 20) 21) (z 6 ) 0 1 B) 0 C) z 6 z 21) 22) (x ) 6 6x B) x 0 C) x 11 x 6 22) Write the ratio as a fraction in simplest form. 2) 11 : B) 11 1 C) )

4 Write the rate as a unit rate. 24) Paying $12 cents for 4 pens $0. per pen B) $ per pen C) $ per pen $48 per pen 24) 2) A concert tour grossed $288,000 for 8 shows. $18,000/concert B) $6,000/concert C) $288,000/8 concerts $600/concert 2) Solve. 26) Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Assume that different sizes of the same brand are being compared. Cream Rinse: $1.89 for 12 ounces $2.0 for 18 ounces 26) $2.0 for 18 ounces B) $1.89 for 12 ounces C) Both cost the same per ounce. Write the proportion. 2) inches is to 1 inches as 21 inches is to 9 inches 1 = 21 9 B) 21 1 = 9 C) 21 = = ) Use the equality test for fractions to determine if the fractions are equal. 28) 6 9? = ) Yes B) No Solve the proportion for the given variable. 29) 1 6 = x 0 29) 6 0 B) 1 00 C) ) x 2 = 0) 12 B) 6 C) Solve. 1) It takes Florence 14 minutes to type and spell check 10 pages of a manuscript. Find how long it takes her to type and spell check 4 pages. Round answers to the nearest whole number if necessary. 14 minutes B) 2 minutes C) 6 minutes 60 minutes 1) 4

5 2) The ratio of a quarterback's completed passes to attempted passes is 2 to. If he attempted 21 passes, find how many passes he completed. Round to the nearest whole number if necessary. 6 passes B) passes C) 4 passes passes 2)