Mock exam 2

Subtract (3x + 5) - (x + 2)

• 4x + 7

• 2x + 3

• -2x - 7

• 2x + 7

Which of the graphs below represents a straight line with the equation

y = mx + c

• 
• 
• 

Which is correct about simplifying expressions containing brackets?

• The order doesn’t matter; the result is the same.

• First add the like terms together and then remove the brackets.

• First remove the Brackets and then add the like terms together.

Substitution is .........

• making a different letter the subject of an algebraic expression.

• The process of Finding the numerical value of an algebraic expression for given values of the symbols that appear in it.

• numerical multiples of the same algebraic quantity

Convert 72⁰F to Celsius

• 22.2⁰C

• 2.2⁰C

• 161.6⁰C

• 222⁰C

What are the dependent and independent variables in y= 8x +c

• dependent: c

  independent: y

• dependent: y

  independent: x

• dependent: x

  independent: y

• dependent: y

  independent: c

Find the HCF of 12 and 15 ?

• 2

• 2 x 3

• 3

• 60

Fine m in the following equation: 6 + m = 9

• 4

• -3

• 15

• 3