IGCSE Maths Revision Essential

Share £80 in the ratio 3:2:5

• £24 : £16 : £40
• £16 : £24 : £40
• £40 : £24 : £16
• £40 : £16 £24

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Person A and person B are sharing money in the ratio 4:2. Person A has $60 more than person B. How much does person B have?

• $10

• $50

• $30

• $15

The angles of a triangle are in the ratio 3:1:2. What type of triangle is this?

• Isosceles

• Acute

• 90

• Right Angle

Make x the subject:

• x = yb - v

• x = by - v

• x = by + v

Fully factorise the following expression...

12x - 8

• 3(4x - 3)

• 3(4x - 2)

• 4(3x - 2)

• 4(3x - 1)

Tags

CCSS.7.EE.A.1

Expand and simplify

(x - 7)(x + 7)

• x² + 7x - 49

• x² - 7x + 49

• x² - 49

• x² + 49

(3x²y³)²

• 9x⁴y⁶
• 3x⁴y⁵
• 6x⁴y⁶
• 9xy

Tags

CCSS.HSA.APR.A.1

• x⁴
• 4x³
• 3x³
• 4x²

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?

• {3, 5, 7}

• {2, 3, 5, 7}

• {2, 3, 5, 7, 9}

• {1, 2, 3, 5, 7, 9}

Tags

CCSS.HSS.CP.A.1

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∪ B?

• {3, 5, 7}
• {2, 3, 5, 7}
• {2, 3, 5, 7, 9}
• {1, 2, 3, 5, 7, 9}

Tags

CCSS.HSS.CP.A.1