Algebra

Combine like terms:

a + a + a + a

• a + 4

• 4a

• a to the fourth power

• 4a + 4

Simplify the expression: 2x + 1 + 7x 

• 10x

• 10

• 9x + 1

• 9 + 1x

(x + 5)(x + 4)

• x² + 9x + 20

• x² + 20x + 9

• x² + x + 20

• x² + 20

The letter in the term 6a in algebra is called:

• co-efficient

• pro-numeral

• pro-noun

• the letter a

Expand -2(x-2)

• -2x+4

• 2x-4

• -2x-4

• 2x-2

Expand and Simplify 4(x+5)+7

• 4x+12

• 4x+27

• 4x+16

• 4x+23

Factorise 8x+32

• 8(x+4)

• 4(2x+16)

• 2(4x+16)

• 4(2x+8)

a×a⁸

• a⁸

• 2a⁸

• a⁹

• 2a⁹

If p=3 and q=5,find 
p +q+2

• 12

• 10

• 8

If a = 4 and b = 6, what is the value of 3a + 5b?

• 40

• 42

• 44

• 46