algebra Collect Like \terms, Expressions & Substitution

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• Mathematics
• Primary Education

Algebra

Collect Like terms 

if apple is a orange is o banana is b which expression is correct

A

o+a+b

B

oab

C

3a+3b

D

3o+3a+2b

if apple is a orange is o banana is b which expression is correct

A

2o+2a+3b

B

3o+3a+3b

C

3aob

D

3o+3a+2b

if apple is a orange is o banana is b which expression is correct

A

o+a+b

B

1o+a+b

C

7oab

D

o+3a+3b

if apple is a orange is o banana is b which expression is correct

A

o+2a+3b

B

3o+3a+3b

C

d+2a+3b

D

3o+3a+2b

if apple is a orange is o banana is b which expression is correct

A

2o+2a+3b

B

3o+2a+3b

C

3o+2a+2b

D

3o+3a+2b

Simplify the expression: 3x + 2y + 5x

A

8x +2y

B

2x - 3y

C

5x + y

D

2x + 3y

Simplify the expression: 3x + 2y + 5x + y

A

-8x - 4y

B

2x - 3y

C

8x + 3 y

D

15x + 2y

Simplify the expression: 5x + 2y - 3x + y

A

3y

B

2x + 3y

C

5x + y

D

-2x + 3y

Simplify the expression: 3x + 2y - 3x + y

A

-8x - 4y

B

3y

C

5x + y

D

-2x + 3y

Simplify the expression: 3x + 2y - 5x + y

A

-8x - 4y

B

2x - 3y

C

5x + y

D

-2x + 3y

Algebra

Write an expression 

3 more than 2.

A

6

B

3 + 2

C

32

D

23

3 less than 12.

A

6

B

12 - 3

C

132

D

12 + 3

I am thinking of a number, and I add 5

A

x+ 5x

B

5x

C

x+ 5

D

2x+3x

I am thinking of a number, and I add 20

A

5x+ 15x

B

x+ 20

C

10x+10

D

20x

I am thinking of a number, and I subtract 5

A

x- 5x

B

x- 5

C

5-x

D

2x+3

I am thinking of a number, and I subtract 10

A

x- 10

B

x- 15

C

15-x

D

x+10

Penny has twice as much as Alisha . Penny p Alisha a

A

p=a

B

p+2a

C

a=2p

D

p=2a

I am thinking of a number, and I half it

A

2/x

B

x^2

C

x - 2

D

x ÷2

I am thinking of a number, and I square it

A

x²

B

x^3

C

x - 2

D

2x

Pens are sold in packs of 6 and rulers are sold in boxes of 10.

A

6p+10r

B

6pr

C

6px10r

D

60pr

Algebra

Substitution

Solve 4k + 9=? (k = 7)

A

27

B

13

C

13k

D

37

Solve 2k x 9 =? (k = 5)

A

12k

B

12

C

90

D

90k

Solve 8r - 7=? (r = 5)

A

33

B

15

C

r

D

15r

What is the value of x in the equation 2x + 5 = 15?

A

x = 5

B

x = 10

C

x = 3

D

x = 7