Algebra (Remedial)

Expand the brackets.

8y(5 + 6y)

• 40y + 48y²

• 40y + 48y

• 40 + 48y²

• 40 + 48y

Expand and simplify this expression.

a(a + 3) - a(a + 4)

• a² + 3a - a² - 4a = -a

• a² + 3a - a² + 4a = 7a

• a² + 3a + a² - 4a = 2a² - a

• a² + 3a + a² + 4a = 2a² + 7a

• True

• False

My sister is 20 years old.

My Dad is x years old.

Half of my Dad’s age plus 1 is the same as my sister’s age.

How old is my Dad?

• 38 years

• 28 years

• 19 years

• 39 years

Work out the value of the a in this isosceles triangle.

Work out the value of the letters c and d in each diagram.

Hani thinks of a number.

She multiplies it by 4 then subtracts 1.

The answer is the same as 3 times the number plus 6.

What number did Han think of?

• 7

• 6

• 5

• 10

"Subtract the sum of a and b from 3c"

Which of the following expressions best describes the statement above?