Logarithms And Logarithmic Functions Worksheet With Answers Page 22
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27So,
Area of the rectangle = 6 * 3 = 18 square inches.
D is the correct option.
Thus,
ANSWER:
ANSWER:
7-3 Logarithms and Logarithmic Functions
D
80
68. SAT/ACT Ichiro has some pizza. He sold 40% more
70. If 6x − 3y = 30 and 4x = 2 − y then find x + y.
slices than he ate. If he sold 70 slices of pizza, how
A − 4
many did he eat?
B −2
F 25
C 2
G 50
D 4
H 75
SOLUTION:
J 98
K 100
SOLUTION:
Let x be the number of pizza slices Ichiro ate.
Solve (2) for y.
The equation that represents the situation is:
G is the correct answer.
Substitute y = –4x + 2 in (1) and solve for x.
ANSWER:
G
69. SHORT RESPONSE In the figure AB = BC, CD =
BD, and angle CAD = 70°. What is the measure of
angle ADC?
Substitute x = 2 in y = –4x + 2 and simplify.
SOLUTION:
∆ABC and ∆DBC are isosceles triangles.
Thus, x + y = –4.
In ∆ABC,
and
In ∆DBC,
and
A is the correct answer.
So,
ANSWER:
Thus,
A
ANSWER:
Solve each inequality. Check your solution.
80
n − 2
71. 3
> 27
70. If 6x − 3y = 30 and 4x = 2 − y then find x + y.
SOLUTION:
A − 4
B −2
C 2
D 4
SOLUTION:
ANSWER:
eSolutions Manual - Powered by Cognero
Solve (2) for y.
Page 22
72.
SOLUTION:
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