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Question 22
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Question 23
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Question 24
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A formula used for calculating velocity is shown below. What is a expressed in terms of v and t ?
The product of an irrational number and a rational number, excluding zero, is always a member of which classification of real numbers?
integers
whole numbers
rational numbers
irrational numbers
What is the value of n in the equation 4(n - 7) = 0.3(n + 2) + 2.11 ?
3
8.3
-3
8.7
The formula for potential energy is P = mgh , where P is potential energy, m is mass, g is gravity, and h is height. Which expression can be used to represent g?
If R and S represent integers, R + S = S + R is an example of which property?
identity
commutative
associative
distributive
The expression below is equivalent to a positive integer when b is equal to?
16
54
4
-10
If a = 3 and b = -1, what is the value of ab - b2 ?
2
-4
-2
4
A part of Hailey's work to solve the equation 2(6r 2 - 3) = 11r 2 - r is shown below. Which property justifies her first step?
Given: 2(6r 2 - 3) = 11r 2 - r
Step 1: 12r 2 - 6 = 11r 2 - r
Multiplication Property Of Equality
Commutative Property Of Multiplication
Distributive Property Of Multiplication Over Subtraction
Identity Property Of Multiplication
If 2y + 2w = x , then w, in terms of x and y is equal to
What is the solution of the equation below?
14
5
1
6
Which one of the following equations has no solution?
On a certain day in Toronto, Canada, the temperature was 15o Celsius (C). Peter used the formula below to convert this temperature to degrees Fahrenheit (F). Which temperature represents 15o C in degrees Fahrenheit?
-9
85
59
35
Solve for p: 5(p - 2) = 2(10 + p)
-10
-6
10
6
If 3ax + b = c , then x equals
Solve for n: 12(n - 4) + 6 = 8n - 18 + n
8
-2
6
-8
The formula for the volume of a pyramid is shown below. What is h expressed in terms of B and V ?
How many solutions does the equation below have?
infinitely many solutions
two solutions
no solution
one solution
How many solutions does the equation below have?
one solution
no solution
infinitely many solutions
two solutions
Debbie solved the linear equation 3(x + 4) - 2 = 16 as follows:
She made an error between lines
3 and 4
2 and 3
4 and 5
1 and 2
What is the value of x in the equation 2(x - 4) = 4(2x + 1) ?