PEMDAS
DOUBLE POINTS
(18 + 13) − 2 × (11 + 3)
3
Three less then some number tripled
3x-3
What is the range of this table?
X. Y
0 3
1 5
2 7
3 9
4 11
Range: {3,5,7,9,11}
(x ÷ x) + 3
4
What is the reciprocal of -4?
-1/4
15 × (16 + 6 − 19) − 13
32
DOUBLE POINTS
The quotient of six and some number
6/x
Which of the following domain and range ARE a function?
a D{1,2,3,4} {1,1,1,1}
b D{1,2,3,3} (1,2,3,4}
c d{0,1,2,3} (1,-10, 200, 3}
d {0,0,1,2} {2,4,6,8}
A and C
x+x+z+z+y+2
2x+2z+y+2
Where was Mr.Wilson born?
Japan
12 ÷ 3 + (13 × 7 − 4) − 12
79
Jenny is 5 years older than twice the age of her brother, Tim. Write an algebraic expression to represent Jenny's age.
2t+5
DOUBLE POINTS
Write a function based on:
Seven less then some number times five
What is the y value when x=2?
5x-7
y=3
(8x÷4)+x + 1
3x+1
x÷2=10
20
a=2
(19 + a) × (10 − a) ÷ 6
28
Sarah earns $15 per hour at her part-time job plus tip.
15h+t=m
Complete the T Table
(bonus points if you can find the function)
X. Y
1 6
2 10
3 14
4 ?
5 ?
6 ?
18
22
26
4x+2
DOUBLE POINTS
2x(|-x|−|x|)
0
24÷x=-8
-3
b= 6
t= 4
c=5
18 ÷ b + c × (b − t) =
13
If three integers are represented by 'x', 'x + 2', 'z' and '2x + 4', write an algebraic expression for their sum, and simplify if possible.
4x+z+6
4x+1
Tell me the domain and range for at least three values
Graph the function at least three values
...
4x−2y+3x+5y+7−2x−6y+7x+8y
12x+5y+7
DOUBLE POINTS
Solve for x and z
2x=16
z +15 =22
then plug into this expression
-(z+1)/x
What is the final answer(remember to simplify!)?
-1