Question

1.)
A set of equations is given below:

Equation A: e = 4f + 1
Equation B: e = 3f + 5

Which of the following is a step that can be used to find the solution to the set of equations? (5 points)


A.4f + 1= 3f

B.4f = 3f + 5

C.4f + 5 = 3f + 1

D.4f + 1 = 3f + 5

2.)
A set of equations is given below:

Equation C: y = 4x + 8
Equation D: y = 4x + 2

Which of the following best describes the solution to the given set of equations? (5 points)


A.No solution

B.One solution

C.Two solutions

D.Infinitely many solutions

3.)
Two equations are given below:

a − 3b = 16
a = b − 2

What is the solution to the set of equations in the form (a, b)? (5 points)


A.(−2, −6)

B.(−7, −9)

C.(−11, −9)

D.(−12, −10)

4.)
A student is trying to solve the set of two equations given below:

Equation A: x + z = 6
Equation B: 2x + 3z = 1

Which of the following is a possible step used in eliminating the z-term? (5 points)


A.Multiply equation B by 3.

B.Multiply equation A by 2.

C.Multiply equation B by 2.

D.Multiply equation A by −3.

Answer 1

A. Multiply equation B by 3.

Answer 2

ANSWER ALL THE QUESTIONS NOT JUST ONE (sorry it was in all caps i was to lazy to re-write it)

Answer 3

1.) D. 4f + 1 = 3f + 5

2.) A. No solution

3.) C. (-11, -9)

4.) B. Multiply equation A by 2.