Second Form Revision

−3 − (−7)=

• 10

• -10

• 4

• -4

(2)(-3)(-4)

• -24

• 24

• -5

• -9

-14 + (-3) =

• -17

• -11

• 11

• 17

5 - 3(8x - 12) +4x

• 20x - 24

• -20x - 31

• 20x + 24

• -20x + 41

-7(2x + 1) -2(-3x - 5)

• 20x + 3

• -8x - 3

• -8x + 3

• 20x - 17

Make p the subject of the equation

 $\frac{-6p\ -9}{7}=3$  

• p = 5

• p = -3

• p = -5

• p = 3

Given x= -3 and y= 2 and z= -4.
Substitute and solve

 $xy^2-z$  

• 32

• -16

• -8

• 40

Simplify the expression:

-3r + 7 - 3r - 12

• -6r + 19

• -6r - 5

• -11r

• 6r - 5

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 1/6

• 1/10

• 1/18

• 1/36

Of the 560 people surveyed, how many people have a giraffe as their favorite animal?

• 56

• 360

• 36

• 5600