Math GKT UPDATED Exam Questions and CORRECT Answers
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Course
Math GKT
Institution
Math GKT
Math GKT UPDATED Exam Questions
and CORRECT Answers
Mrs. Green was told that she could reduce her heating expenses at least 20% by increasing
the insulation of her house. After doing so, she found her average monthly bill for oil
decreased from $80 to $60. What fractional part of her former ...
Math GKT UPDATED Exam Questions
and CORRECT Answers
Mrs. Green was told that she could reduce her heating expenses at least 20% by increasing
the insulation of her house. After doing so, she found her average monthly bill for oil
decreased from $80 to $60. What fractional part of her former heating expenses did Mrs.
Green save by adding insulation. - Correct Answer- 1/4
A woman buys eight items at the grocery store. The lightest item weighs 6 ounces and the
heaviest item weighs 14 ounces. The woman buys 4 items the weigh 10 ounces per item.
Which of the following is the maximum weight of the items purchased? - Correct Answer-
88oz.
Simplify
6-8/2x4 - Correct Answer- -10
Simplify
(1+2) to the 2 power -2(3-4)to the 3 power - Correct Answer- 11
In triangle ABC, AB=AC and angle A measures 40. What is the measure of angle B? -
Correct Answer- 70
The driving distance between tallahassee and Tampa is 280 miles. If 1/2 inch on a map
represents 40 miles, what is the distance in inches between the cities? - Correct Answer- 3.5
in.
A milligram would be the most appropriate unit to use for measuring the mass of a - Correct
Answer- Feather with a 1-inch length
A child is cutting steaks from a 12-pound section of beef. Allowing '/2 pound for waste, how
many 8-ounce steaks can be prepared from the section of beef? - Correct Answer- 23 steaks
If fencing is $4.00 per yard, how much will it cost a farmer to fence a rectangular field with
dimensions 300 feet by 600 feet? - Correct Answer- $2400
,Find an algebraic expression equivalent to 2x/3 + 3y14 - Correct Answer- 8x/12 + 9y112
The function h = 2d + 4 represents the height (h) in inches of a plant after a certain number of
days' (d) growth. Which of the following represents the height of the plant for the first two
days? - Correct Answer- d=0 1 2
h=4 6 8
Which algebraic expression can be used,to determine the sale price? (chart) regular price/sale
price - Correct Answer- S=3/4 r
Which of the following is the solution of 3(4-2x)-(2x-2)=38 - Correct Answer- -3
Which of the following values is the solution to the given equation? 2(h — 6) = -(16 + 3h) -
Correct Answer- -4/5
Which of the following values is the solution to the given equation?
6 — 2(4-x)=8 - Correct Answer- 5
The teacher is following the student work shown below. The student was attempting to find
an equivalent expression for
(x — 1)(x + 1) — (x + 2)(x — 2)
Step 1: (x — 1)(x + 1) — (x - 2)(x + 2) = (x2 — 1) — (x2— 4)
Step 2: (x2 — 1) — ( x2 7 4) = x2— 1 — x2 - 4
Step 3: x2-1—x2-4x2—x2-l-4
Step 4: x2— x2 — 1 — 4 = -5
The teacher notes that the student committed a single error. During which of the following
steps did the student first commit the error? - Correct Answer- Step 2
A salesperson earns $50 a day plus a 25% commission of all sales_ Which of the following
graphs shows the salesperson's earnings per day? - Correct Answer- Graph B
, Which of the following sets of ordered pairs represents a function? - Correct Answer- {(0,0),
(1,1)}
Line A is described by the equation 4.y t 3x = 12. Line B is parallel to line A. Which of the
following is the slope of line B? - Correct Answer- -3/4
A student recorded the number of chin-ups she did at the gym during the past few weeks. The
following list shows her chin-up totals.
13, 6, 23, 7, 8, 23, 9, 16, 12, 14
Which measure of central tendency would allow the student to brag to her friends about the
highest typical number of chin-ups she is able to do? - Correct Answer- Mode
The following graph shows a company's sales since it engaged in a new growth strategy.
What aspect of the graph is most misleading? - Correct Answer- The vertical axis is not
scaled linearly
At a gymanstic meet, 3 of the 5 judges gave a gymnast a 9.5 score on the parallel bars. The
other 2 judges gave scores less than 9.5 Which of the following statements is true about the
distribution of scores? - Correct Answer- The mean is less than the mode
What is the median of the data i the following sample?
2, 1, 4, 3, 7, 5, 3, 6, 9, 3 - Correct Answer- 3.5
A major league baseball team has 25 active players on its roster. Which of the following
about salaries would one be expected to know in order to determine the annual payroll for
players? - Correct Answer- Mean
A student's parents promise to pay for next semester's tuition if an A average is earned in
chemistry. With examination grades of 95%, 94%, 93%, 87%, 87%, and 61%, the student
reports that an A average has been earned. Which measure of central tendency is the student
reporting as the average? - Correct Answer- Median
If a student finishes all of her classwork, she gets to choose a prize from the treasure box.
There are three bags of mints and four bags of chocolates in the treasure box. The student is
not allowed to look inside the box before she picks her prize. What is the probability of her
pulling a bag of mints from the treasure box? - Correct Answer- 3/7
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