Equations Pre Quiz Flashcards

1

Find the equivalent expression to 2x + 4

x + 2x + 4
2x + 2 + 1
2(x +2)
2 (x + 4)

2

Write the phrase as an expression; Four less than three times a number b

4(3-b)
4-3+b
3b-4
b-43

3

Sovle for x x + 5 = 12

12
7
5
1

4

What is the y value in the table when x = 7 and x = 9

12 and 9
30 and 5
15 and 18
23 and 29

5

Evaluate the expression when a = 1/2 and b = 7 : 6ab

6
42
21
42/2

6

108 / m = 9

m = 54
m = 99
m = 12
m= 118

7

Which expression is equal to 2(r+4)

r + 8
r2+4
2r+4
2r + 8

8

What is the rule of this table. Let the input be x and the output be y.

y = x + 2
y = 3x + 2
y = x + 8
y = 4x - 1

9

Which expression shows double q split by 4?

2q/ 4
2 q x 4
q2 / 4
2q - 4

10

What is the inverse of 4/5

5/4
1/3
4/5
What's an inverse?

11

x - 9.5= 10.5

0.5
30
20
1

12

What is one coefficient in the expression x + 2y³

x
3
y
2

13

Evaluate the expression when m= 4, 5m

1
54
20
9

14

Which expression shows the sum of y squared and 9?

3y9
9 + y + y
y2 + 9
3y - 9

15

6b = 42

b = 9
b = 36
coefficient
b = 7

Equations Pre Quiz

Questions 15

Equations Pre Quiz

Questions 15