Question

1) The difference of two numbers is 21. The larger number is x. The smaller number is

A) 21+x
B) 21-x
C) x-21
D) -x-21

2) A linear Equation in one variable has:

A) infinite solutions
B) two solutions
C) one solution
D) many solutions

3) The root of the equation z + 4 = -8 is

A) 3
B) 12
C) -12
D) 4

Answer 1

Answer:

The difference of two numbers is 21. The larger number is x. The smaller number is

x-21

The root of the equation z + 4 = -8 is -12

A linear Equation in one variable has one solution

Answer 2

Answer:

1) correct answer is: x-21

2) correct answer is: one solution

3) correct answer is: -12