WGU - Math for Elementary Educators II
What is the degree of the following expression: 2 x 2 y − 4 xy + 4? Correct Answer: 3
Which type of expression is x−5? Correct Answer: Difference
If the circumference of a circle is 16 in. and the formula is C=2πr, what is the variable and what is the
coefficient? Correct Answer: variable = r
coefficient = π
What is the algebraic expression for 2 times the sum of x and 9? Correct Answer: 2 x + 18
Find the possible values of x that will solve the equation 5 = 4 x. Correct Answer: 1.25, 1 1/4, 5/4
The following table shows a partial set of solutions for a linear equality:
x −2 2 6
y 0 −4 −8
Which linear equation represents the complete solution set? Correct Answer: y= −x−2
Which graph represents a function? Correct Answer:
What is the degree of the following expression: 2 x 2 y − 4 xy + 4? Correct Answer: 3
Which type of expression is x−5? Correct Answer: Difference
If the circumference of a circle is 16 in. and the formula is C=2πr, what is the variable and what is the
coefficient? Correct Answer: variable = r
coefficient = π
What is the algebraic expression for 2 times the sum of x and 9? Correct Answer: 2 x + 18
Find the possible values of x that will solve the equation 5 = 4 x. Correct Answer: 1.25, 1 1/4, 5/4
The following table shows a partial set of solutions for a linear equality:
x −2 2 6
y 0 −4 −8
Which linear equation represents the complete solution set? Correct Answer: y= −x−2
Which graph represents a function? Correct Answer:
