Final Exam Review for DMAT 0310 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Factor the polynomial completely. What is one of the factors? 1) 3 x 2 + 2 x - 8 1) A) ( 3 x - 2 ) B) ( 3 x - 4 ) C) ( 3 x + 4 ) D) ( 3 x + 2 ) 2) 15 z 2 + 14 z - 8 2) A) prime B) ( 3 z - 4 ) C) (z - 2 ) D) ( 5 z - 2 ) 3) 121 - w 2 3) A) prime B) ( 11 - w ) C) 11 - w 2 D) 121 - w 4) t 3 + 1000 4) A) (t - 10) B) (t 2 + 100 ) C) (t 2 + 10 t + 100 ) D) (t 2 - 10 t + 100 ) Solve the equation. 5) x( 4 x + 18 ) = 10 5) A) 2 , 5 B) 0, 9 2 C) 1 2 , - 5 D) 0, - 9 2 6) 49 x 3 - x = 0 6) A) - 1 7 B) 1 7 C) 1 7 , 0 D) 1 7 , - 1 7 , 0 Simplify the expression. 7) a 2 - ab + 8 a - 8 b a + 8 7) A) a 2 - ab + 8 a - 8 b a + 8 B) a - 2b + 1 C) a - b D) 1 a + 8 Solve the problem. 8) If f(x) = x 2 - 8 x 3 - 8 x , find f( - 5 ). 8) A) - 5 17 B) - 1 5 C) - 17 133 D) - 17 125 Find the quotient and simplify. 9) z 2 + 10 z + 16 z 2 + 11 z + 24 ÷ z 2 + 2 z z 2 + 13 z + 30 9) A) z + 10 B) z + 10 z 2 + 3 z C) z z 2 + 11 z + 24 D) z + 10 z
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Final Exam Review for DMAT 0310 - Richland College · Final Exam Review for DMAT 0310 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
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Final Exam Review for DMAT 0310MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Factor the polynomial completely. What is one of the factors?1) 3x2 + 2x - 8 1)
A) (3x - 2) B) (3x - 4) C) (3x + 4) D) (3x + 2)
2) 15z2 + 14z - 8 2)A) prime B) (3z - 4) C) (z - 2) D) (5z - 2)
3) 121 - w2 3)A) prime B) (11 - w) C) 11 - w2 D) 121 - w
Perform the indicated operation. Simplify if possible.
12) 10x - 2x2 + 12x + 32
-9x - 6
x2 + 12x + 3212)
A) 1x + 8
B) 1x + 4
C) x - 4x2 + 12x + 32
D) 1x2 + 12x + 32
13) -6x + 8x
+7x - 7
6x13)
A) -43x + 416x
B) -29x + 416x2
C) -29x + 416x
D) -29x - 556x
14) 3x2 - 3x + 2
+7
x2 - 114)
A) 42x - 11(x - 1)(x + 1)(x - 2)
B) 10x - 11(x - 1)(x - 2)
C) 10x - 11(x - 1)(x + 1)(x - 2)
D) 11x - 10(x - 1)(x + 1)(x - 2)
Solve the equation.
15) x2x + 2
=-2x
4x + 4+
2x - 3x + 1
15)
A) no solution B) -3 C) 32
D) 3
16) x+8x+2
+12
x2+2x=
2x
16)
A) -2 B) -4 C) -2,-4 D) 2
Solve the equation for the indicated variable.
17) xa
+yb
=1a
for a 17)
A) a =y
b - xB) a =
1by
- y C) a = by - 1y
D) a =b - bx
y
2
Solve.18) There are 0.5 milligrams of iron in a 3.5 ounce serving of cod. How much iron is in 5 ounces of cod?
Round the answer to one decimal place.18)
A) 1.4 mg B) 0.7 mg C) 1.7 mg D) 0.4 mg
19) A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job.How long would it take for them to complete the job if they were working together?
19)
A) 1663
hr B) 3 1516
hr C) 8 hr D) 6 hr
20) A car travels 400 miles on level terrain in the same amount of time it travels 160 miles onmountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on levelground, find its rate in the mountains.
20)
A) 80 mph B) 20 mph C) 50 mph D) 40 mph
Determine whether the graph is the graph of a function and find the domain.21) 21)
A) yes; Domain = [-6,2] B) no; Domain = [-6,2]C) yes; Domain = [2,4] D) no; Domain = [2,4]
Find the domain and range of the function graphed.22) 22)
Represent each given condition using a single variable, x.58) Three consecutive odd integers 58)
A) x, x + 2, and x + 4, if x is an odd integerB) x, x + 1, and x + 2, if x is an odd integerC) x + 2, x + 4, and x + 6, if x is an odd integerD) x and x + 2, if x is an odd integer
Solve.59) An object is thrown upward from the top of a 160-foot building with an initial velocity of 48 feet
per second. The height h of the object after t seconds is given by the quadratic equationh = -16t2 + 48t + 160. When will the object hit the ground?
59)
A) 2 sec B) 160 sec C) -2 sec D) 5 sec
60) Find the length of the shorter leg of a right triangle if the longer leg is 24 meters and the hypotenuseis 6 more than twice the shorter leg.
60)
A) 18 m B) 17 m C) 10 m D) 9 m
Use the square root property to solve the equation.61) x2 + 36 = 0 61)