Edexcel GCSE Foundation Algebra

Simplify expression
3a + 2b - a - 5b

• 2a-3b
• 3 - 7b
• 3 + 3b
• 2a - 7b

Simplify expression 3y³ x 5y²

• 15y⁶
• 8y⁵
• 15y⁵
• 8y⁶

Simplify 20y⁴/4y²

• 20y²
• 20/4y
• 5y
• 5y²

What is the value of 4y² - 5y when y = 3

• 129
• 21
• 1834
• 68

What is the value of 3a - b if a = 4 and b = -2?

• 32
• 36
• -10
• 14

Expand 3y(y+4)

• 3y+4
• 3y+12
• 12y²
• 3y²+12y

Factorise 28a²+16a

• 4a(7a+4)
• 2(14a+8)
• 4(7a²+4a)
• 4

What would degrees in fahrenheit (F) be if it was 20 degrees celsius(c)? F = 1.8c + 32

• 6.8
• 40
• 68
• 4

I think of a number, subtract 2 and then multiply by 4. My answer is 20. 
Write an equation to represent my problem.

• 20 = 2n-4
• 20 = 4n-2
• n-2x4 = 20
• 4(n-2) =20