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Fun with Fun with Factoring
Systematically
Speaking
Graph
That
The
Matrix
(not the movie)
Quirky Quadratics
100 100 100 100 100
200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
Fun with Factoring - 100
Factor
5xy + 25yz
5y(x + 5z)
Fun with Factoring - 200
Factor
x2 - 121
(x- 11)(x + 11)
Fun with Factoring - 300
Factor
x2 – 8x + 16
(x – 4)2
Fun with Factoring - 400
Factor
10x2 + 11x – 6
(5x – 2)(2x + 3)
Fun with Factoring - 500
Factor
2x5 + 2x4 – 2x3 – 2x2
2x2(x – 1)(x + 1)2
Systematically Speaking - 100
Solve the system by substitution
y =2x
2x + 3y = 32
(4, 8)
Systematically Speaking - 200
Solve by elimination
x + y = 10
x – y = 8
(9, 1)
Systematically Speaking - 300
Solve
x + 2y = 10
2x – y = 5
(4, 3)
Systematically Speaking - 400
Solve
x =5
x + y = 12
y + z =15
(5, 7, 8)
Systematically Speaking - 500
Solve
x + y + z = 12
2x + 2y + 2z = 24
x – y – z = -8
Infinitely Many Solutions
Graph That - 100
What is the slope of y = 2x - 5
m = 2
Graph That - 200
What is the y-intercept of y = 2x – 7
(0, -7)
Graph That - 300
Find the slope of 2x – 3y = 12
2/3
Graph That - 400
Find the x-intercept of 3x + 7y = 12
(4, 0)
Graph That - 500
Where do the following lines intersect
y = -3x + 7
6x + 2y = 14
They always intersect
They are the same line
The Matrix (not the movie) - 100
What are the dimensions of the following matrix
2 1 5
6 3 0
8 9 4
3 x 3
The Matrix (not the movie) - 200
Identify element a12
5 0 7
9 4 6
0
The Matrix (not the movie) - 300
Add the matrices
1 5 0 4
7 8 8 12
1 91 20
Multiply the matrices
1 2 1 23 4 3 4
7 1015 22
The Matrix (not the movie) - 500
Find the determinant of
1 3
4 6
-18
Quirky Quadratics - 100
What is the vertex of y = 3(x – 4)2 + 5
(4, 5)
Quirky Quadratics - 200
Find the maximum of y = -3x2 + 6x + 5
8
Quirky Quadratics - 300
What is the axis of symmetry for the quadratic
f(x) = 5x2 +7x - 9
X = -7/10
Quirky Quadratics - 400
What are the solutions for the equation
y = x2 + x – 6
x = 2, x = -3
Quirky Quadratics – 500
What are the solutions of the equation
y = 2x2 – 3x - 20
(4, 0) and (-5/2, 0)