A
B
C
D
E
100
A box is 3cm by 6cm by 10cm
This box can hold ____ ml:
3 x 6 x 10 = 180 cm3
180 cm3 = 180 ml
180 ml
100
Factorize:
x2 -5x - 24
(x - 8)(x + 3)
-8 * 3 = -24
-8 + 3 = -5
100
Expand and simplify
(x - 9)(x + 3)
x2 -6x -27
x2 +3x -9x -27
= x2 -6x -27
100
The equation for this sequence:
1, 4, 7, 10, 13
3n -2
First difference = 3
3 x 1 = 3 (need to subtract 2)
100
10y - 2y + 3 + 2 = 13
y = 1
200
Factor b2 + 8b + 7
(b + 7)(b + 1)
200
0.00315 in standard form:
3.15 x10-3
The decimal is moved back 3 places to make one number the place holder.
200
21000 mm3 given as cm3:
What is 21cm3 ?
you need to divide by 10 three times,
one for each dimension!
200
Find B\A (the elements that are in B, but not in A)
A= {2, 7, 8, 10, 17}
B= {14, 10, 2, 19, 20}
B\A= {14, 19, 20}
200
Simplify:
3x2y2 * 4xy3
12x3y5
When multiplying powers of exponents you add them!
300
If A = {1, 3, 7, 9, 10}, B = {2, 5, 7, 8, 9, 10}
Find: (A ∪ B) ∩ (A ∩ B)
(A ∪ B) ∩ (A ∩ B)= {7,9,10}
300
Suppose you spin a spinner with three equal sections (red, blue, and yellow) two times.
(b) Define event A as spinning blue once. Find P(A).
2/9
RR RB RY BR BB BY YR YB YY
300
There is a ratio of 6:4 boys to girls at a concert.
If there are 24 boys how many girls are there?
16 girls
24 / 6 = 4
4 x 4 = 16
300
If these two triangles are similar, calculate the value of x.
x=15
300
Probability of Richard winning badminton is 0.7
Probability of Richard winning football is 0.6
Calculate the probability that Richard wins one game and loses the other.
(0.7*0.4) + (0.3*0.6) = 0.46
400
The number of people in the US households have the following probability model:
Suppose that a household of more than 4 people is considered a large household.
Find the probability that the chosen household is a large household.
0.09
400
Write an equation for the table.
y=3x-1
400
What does this diagram represent?
B∩C
400
$1 = £0.70 and $1 = €0.92
Convert €120 into £
€120/0.92 = $130.43
$130.43*0.70 = £130.43
Answer £130.43
400
Price of two chocolates are given as follows and which is better for value?
Vanilla :$1.90/500g
Strawberry : $0.76/200g
Both are same in value
Vanilla : 1000g : $1.90*2 = $3.80
Strawberry : 1000g : $0.76*5 = $3.80
500
Write a linear function relationship.
y=2/5x-1
500
A television network conducted a test screening to get audience reactions to their new TV pilot. The researchers used a random sample of 50 people so that predictions could be made from the data. The results of the survey are below.
5) P(Female given that they Dislikes Pilot)
9/15
500
A television network conducted a test screening to get audience reactions to their new TV pilot. The researchers used a random sample of 50 people so that predictions could be made from the data. The results of the survey are below.
P(Dislikes Pilot)
15/50
500
What is the slope of the line produced by the relationship:
–3
500
Write the equation to the line in slope intercept form
y=-2/3x+5