Did we learn this?
What is this?
Is this even math?
What in the World...
Is it summer yet?
100
2x + 5 = -19
2x + 5 = -19
2x = -24
x = -12
100
Factor: a2 - 49
(a + 7)(a - 7)
100
What is the Order of Operations and what is the weird rule exception?
PEMDAS
Parenthesis, Exponents, Multiplication, Division, Addition, and Subtraction
Multiplication and Division LEFT TO RIGHT
Addition and Subtraction LEFT TO RIGHT
100
Find the Vertex
Vertex (1, -4)
100
Simplify: (3x5y10z2)3
27x15y30z6
200
3 (x - 5) = 5 (x + 2) + 3x
3x - 15 = 5x + 10 + 3x
3x - 15 = 8x + 10
-15 = 5x + 10
-25 = 5x
-5 = x
200
Find the Slope of the line with the points
(0, 1) and (3, -2)
-2 - 1/ 3 - 0 = -3 / 3 = -1
m = (y2-y1)/(x2-x1)
200
In the following equation, what is the slope and what is the y intercept?
y = 5x - 2/3
m = 5
b = -2/3
200
What Math Property is Shown Below:
2 (x +7) = (x + 7) 2
Commutative of Multiplication
What was in the GROUPS did not change... not Associative
200
(18m^4n^6)/(9mn)
2m^3n^5
300
Find x and y: x - 2y = 8
x = 5 - y
Hint: Use Substitution
(6, -1)
300
(7h2 + 8hj + 2j2) - (10h2 - 2hj)
-3h2 + 10hj + 2j2
300
Factor: x2 + 8x + 16
(x + 4)(x + 4)
OR
(x + 4)2
300
What is the equation of this line?
y = -2x + 4
300
Simplify: (2y - 8)(y2 + 6y - 9)
2y3 + 12 y2 - 18y - 8y2 - 48y + 72
2y3 + 4y2 - 66y + 72
400
What Property is Shown:
2x(1) = 2x
Multiplicative Identity
400
A horizontal line on a graph has what kind of slope?
Zero slope
400
Find the roots for the graph:
(-1, 0) and (3, 0)
400
Factor Completely: x4 - 81
(x2 - 9)(x2 + 9)
(x - 3)(x + 3)(x2 + 9)
400
Simplify: (2x3y5z)(8x6z4)
16x9y5z5
500
Solve for x and y: 6x + 3y = 12
9x + 6y = 15
Hint: Use Elimination
(3, -2)
500
Factor: 2x2 - 5x - 3
2x2 - 6x + 1x - 3
(2x2 -6x)(1x - 3)
2x (x - 3) + 1 (x - 3)
(2x + 1) (x - 3)
500
How do you know if a parabola is a smiley face or a frownie face?
Smiley x2 is positive
Frownie x2 is negative
500
What is the Axis of Symmetry:
x = 1
500
Factor: 8x (2x -1) - 5 (2x - 1)
(8x - 5)(2x - 1)