Algebra Basics

Question 1

What is the definition of a constant?

Accepted Answer

A value that does not change.

Question 2

Which is NOT a variable?

Accepted Answer

6

Question 3

Carla had $15. After she bought lunch, she had $8 left. Write equation?

Accepted Answer

15-x = 8

Question 4

What is the definition of a variable?

Accepted Answer

A letter used to represent a number.

Question 5

Replace each question mark with a number that makes the equation correct: 5 + 1 = 2 + ?

Accepted Answer

4

Question 6

Is the given value of the variable is a solution: n - 12 = 5; n = 17

Accepted Answer

Yes

Question 7

Are the following two expressions equivalent? 4 + 4b and 4(b+1)

Accepted Answer

Yes

Question 8

Is the given value of the variable is a solution: 16a = 48; a = 3

Accepted Answer

Yes

Question 9

Combine the like terms: 7x4 - 3x4

Accepted Answer

4x4

Question 10

List the terms: 5a + 7b - 3 + 4a

Accepted Answer

5a, 7b, 3, 4a

Question 11

Replace each question mark with a number that makes the equation correct: ? x 3 = 2 x 9

Accepted Answer

6

Question 12

Combine like terms: 7a2 - a2 + 5

Accepted Answer

6a2 + 5

Question 13

Combine like terms: x + 6 + 3(x + 2)

Accepted Answer

4x + 12

Question 14

Name the constant(s): 4m + 2 + 5b + n

Accepted Answer

2

Question 15

What number is the coefficient? 8a + 2

Accepted Answer

8

Question 16

Combine the like terms: 8x + 3 + 2x + 1

Accepted Answer

10x + 4

Question 17

Combine like terms: 8b2 - 2b2 + 7a + a

Accepted Answer

6b2 + 8a

Question 18

What is the definition of a coefficient?

Accepted Answer

A number that is multiplied by a variable.

Question 19

Combine like terms: 5x + 4x + 2

Accepted Answer

9x + 2

Question 20

Is the given value of the variable is a solution: 9 + x = 21; x = 11

Accepted Answer

No

Questions 20