Expressions/Equations
Which expression is equivalent to 12x+4x+20?
A. 4(4x+5) B. 4(4x+20)
C. 4(12x+16) D. 4(12x+20)
A. 4(4x+5)
What is the area, in square units, of a triangle with a base of 12, length of 13 and a height of 5?
Area= 30 square units
The ages, in years of children at a birthday party are 4,7,8,2,9,6,5,5,9,7,8. What is the median age?
7
Which number is a possible solution to the inequality -5.5 < k?
A. -9
B. -5.75
C. -5.5
D. -4.875
D. -4.875
Which expression is represented by the phrase "twice the sum of a number and 7"?
A. 2(x+7) B. 2(x-7)
C. 2x+7 D. 2x-7
A. 2(x+7)
What is the value of x when x + 22.8=34.7?
x=11.9
Problem 37 on Page 55
A. 44 square units
The mean of a set of numbers is 23. Which could be the set of numbers?
A. 18,18,19,23,29
B. 16,19,23,27,28
C. 15,15,15,32,34
D. 19,21,23,25,27
D. 19,21,23,25,27
What is the greatest common factor of 56 and 98?
14
A realtor earned $18,000 during the fall. This represents 20% of her annual earnings. How much did the realtor earn this year?
$90,000
What is the value of the expression (32+15) /3 -2?
6
Marla earns about $58 per hour selling her artwork at a craft show. If it costs $45 to be part of the craft show, which equation can be used to represent the amount Marla earns, y, after x hours?
A. y=58-45x B. y=58x-45
C. y=58+45x D. y=58x+45
B. y=58x-45
See problem 42 on page 57 Coach Practice Test books
See problem 36 on page 55 in your Coach Practice Test books
B. 21
There are 260 vehicles in the parking lot and 60% of them are cars. How many vehicles are NOT cars?
A. 94
B. 104
C. 130
D. 156
B. 104
Lydia earns $18 per hour and a $125 bonus for working on a weekend. Which equation represents the amount of money Lydia has earned this weekend, y, in relation to the number of hours she has worked, x?
A. y=125-18x
B. y=125+18x
C. y=125x-18
D. y=125x+18
B. y=125+18x
A rectangle is drawn on the coordinate grid with points D(-2,-3), E(-2,7), F(5,7), and G(5,-3).
What is the perimeter?
A. 14 units
B. 34 units
C. 36 units
D. 70 units
B. 34 units
Problem 52 of page 61 your practice coach books
B. symmetrical
On opening day at a new shop, every 8th person to enter the shop is given a coupon and every 12th person is given a free gift. Which customer will be the first to get a coupon and a free gift?
A. 24th customer
B. 36th customer
C. 48th customer
D. 96th customer
A. 24th customer
See Problem 4 on page 42 in your Coach Practice Tests
B. Brand B
See problem 44 on page 57 of your Coach Practice Test.
See Problem 31 in your Coach Practice Test books
D. 240 in2
In which data set is the comparison true?
mean < median
A. 24,25,27,27,29,30
B. 26,35,36,39,46,48
C. 24,26,29,39,46,46
D. 21,32,36,36,39,45
D. 21,32,36,36,39,45
See problem 32 on page 53 in your Coach Practice Test books.
B. 3 to 10
Page 59; Problem 47
C. 96 in2