algebra Collect Like \terms, Expressions & Substitution

• Mathematics
• Primary Education

Algebra

Collect Like terms 

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

1. o+a+b
2. oab
3. 3a+3b
4. 3o+3a+2b

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

1. 2o+2a+3b
2. 3o+3a+3b
3. 3aob
4. 3o+3a+2b

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

1. o+a+b
2. 1o+a+b
3. 7oab
4. o+3a+3b

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

1. o+2a+3b
2. 3o+3a+3b
3. d+2a+3b
4. 3o+3a+2b

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

1. 2o+2a+3b
2. 3o+2a+3b
3. 3o+2a+2b
4. 3o+3a+2b

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

1. 8x +2y
2. 2x - 3y
3. 5x + y
4. 2x + 3y

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

1. -8x - 4y
2. 2x - 3y
3. 8x + 3 y
4. 15x + 2y

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

1. 3y
2. 2x + 3y
3. 5x + y
4. -2x + 3y

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

1. -8x - 4y
2. 3y
3. 5x + y
4. -2x + 3y

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

1. -8x - 4y
2. 2x - 3y
3. 5x + y
4. -2x + 3y

Algebra

Write an expression 

3 more than 2.

1. 6
2. 3 + 2
3. 32
4. 23

3 less than 12.

1. 6
2. 12 - 3
3. 132
4. 12 + 3

I am thinking of a number, and I add 5

1. x+ 5x
2. 5x
3. x+ 5
4. 2x+3x

I am thinking of a number, and I add 20

1. 5x+ 15x
2. x+ 20
3. 10x+10
4. 20x

I am thinking of a number, and I subtract 5

1. x- 5x
2. x- 5
3. 5-x
4. 2x+3

I am thinking of a number, and I subtract 10

1. x- 10
2. x- 15
3. 15-x
4. x+10

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

1. p=a
2. p+2a
3. a=2p
4. p=2a

I am thinking of a number, and I half it

1. 2/x
2. x^2
3. x - 2
4. x ÷2

I am thinking of a number, and I square it

1. x²
2. x^3
3. x - 2
4. 2x

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

1. 6p+10r
2. 6pr
3. 6px10r
4. 60pr

Algebra

Substitution

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

1. 27
2. 13
3. 13k
4. 37

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

1. 12k
2. 12
3. 90
4. 90k

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

1. 33
2. 15
3. r
4. 15r

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

1. x = 5
2. x = 10
3. x = 3
4. x = 7