Week 2 Quiz
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Answer the question.
1)
Consider the following spreadsheet:
A / B / C1 / Cost of Item ($)
before tax / 4% Tax / Cost of Item ($)
after tax added
2 / 130 / 5.2 / 135.2
3 / 150 / 6 / 156
What formula would you use to calculate the number in cell B2?
1)
The symbols didn’t come through... The answer is B2=A2*0.04
A)
B2 = 0.4 ∗ A2
B)
B2 = 0.004 ∗ A2
C)
B2 = 0.04 ∗ A2
D)
B2 = 0.14 ∗ A2
Use inductive reasoning to predict the next number in the sequence.
2)
3, -18, 108, -648, 3888, . . .
2)
B
A)
23,328
B)
-23,328
C)
-7128
D)
7128
Write the statement indicated.
3)
Write the negation of the following:
Every rectangle with four equal sides is a square.
3)
C
A)
No square with four equal sides is a rectangle.
B)
No rectangle with four equal sides is not a square.
C)
Every rectangle with four equal sides is not a square.
D)
Every square with four equal sides is not a rectangle.
Indicate whether the deductive reasoning used is an example of affirming the hypothesis or denying the conclusion.
4)
If a number is divisible by 3, then the sum of the digits of that number is divisible by 3.
The sum of the digits of a number is not divisible by 3. Thus the number is not divisible by 3.
4)
B
A)
affirming the hypothesis
B)
denying the conclusion
C)
both affirming the hypothesis and denying the conclusion
D)
neither affirming the hypothesis nor denying the conclusion
Solve the problem.
5)
Alamo, Brushy, Chet, and Dolly are in an armadillo race. Chet is the slowest. Dolly is faster than Alamo, but slower than Brushy. Name the finishing order of the armadillos.
5)
C
A)
Alamo, Brushy, Dolly, Chet
B)
Alamo, Dolly, Brushy, Chet
C)
Brushy, Dolly, Alamo, Chet
D)
Brushy, Alamo, Dolly, Chet
Indicate whether the sequence is arithmetic, geometric, or neither.
6)
10, 12, 22, 32, 42, . . .
6)
C
A)
Geometric
B)
Arithmetic
C)
Neither
Solve the problem.
7)
How many cuts does it take to divide a log into 7 equal-sized pieces?
7)
B
A)
8
B)
6
C)
7
D)
14
Determine whether the sets are equal only, equivalent only, both equal and equivalent, or neither equal nor equivalent.
8)
{ 3, 12} and { 31, 2}
8)
B
A)
Equal
B)
Equivalent
C)
Both
D)
Neither
Solve the problem.
9)
Find (A ∩ B) ∩ C, given A = {s, e, t}, B = {m, e}, and C = {f, r, e, e}.
9)
C
A)
{s, e, t, m, e, f, r, e, e}
B)
{ }
C)
{e}
D)
{s, e, t, m, f, r}
Decide whether or not the set is closed under addition.
10)
{1, 3, 5, 7,...}
10)
A
A)
Not closed
B)
Closed
Use the distributive property to find the product.
11)
( 2n + 3) × (n + 4)
11)
D
A)
2+ 12
B)
2+ 3n + 12
C)
13n + 12
D)
2+ 11n + 12
Write a multiplication equation and find the area of the rectangle.
12)
A rectangle 15 units high and 11 units wide
12)
C
A)
(2 × 15 units) + (2 × 11 units) = 52 square units
B)
= 82.5 square units
C)
15 units × 11 units = 165 square units
D)
15 units + 11 units = 26 square units
Convert the base-ten number to a numeral in the indicated base.
13)
2874 to base five
13)
B
A)
B)
C)
D)
Convert the number to the indicated base.
14)
to base five
14)
D
A)
B)
C)
D)
ForU = {q, r, s, t, u, v, w, x, y, z}
A = {q, s, u, w, y}
B = {q, s, y, z}
C = {v, w, x, y, z}
identify the following.
15)
15)
I think the symbols might be messed up here. Can you check?
A)
{ }
B)
{v, w, x, y, z}
C)
{q, r, s, t, u}
D)
{v, z}
Use the definition of division to rewrite the division equation as a multiplication equation.
16)
183 ÷ m = 3
16)
B
A)
m = 3 ÷ 183
B)
183 = 3 × m
C)
183 × m = 3
D)
183 × 3 = m
Solve the problem.
17)
A man earned $ 3000 the first year he worked. If he received a raise of $ 400 at the end of each year, what was his salary during the 15th year?
17)
D
A)
$ 5600
B)
None of these
C)
$ 9000
D)
$ 8600
18)
Suppose you could spend $10 every hour, night and day. How much could you spend in a year? (Assume that there are 365 days in a year.)
18)
D
A)
$ 14,400
B)
$ 5,256,000
C)
$8760
D)
$ 87,600
Use the graph provided to solve the problem.
19)
The circle graph shows the percent of the total population of 12,400 of Springfield living in the given types of housing. Round your result to the nearest whole number.
Find the number of people who live in duplexes.
19)
A
A)
248
B)
2
C)
-372
D)
12,152
Decide whether the argument is an example of inductive or deductive reasoning.
20)
All U.S. Presidents have come from the original 48 states. No person from Alaska can be President.
20)
B
A)
Deductive
B)
Inductive