Sophia & Sophie's

SYSTEMS OF EQUATIONS

100

Solve 3x +2y = 13 & x - 2y = 3

What is (-4,1/2) ?

200

Solve x-2y=-7 & x-y=-4

What is (-1,3) ?

300

What is the value of y in x=8 & 3x+4y=16 ?

What is -2 ?

400

Solve 2x+3y=21 & x+y=3

What is x=-12 ?

500

Solve 4x-y=10 & 2x=12-3y

What is (3,2) ?

LINEAR EQUATIONS

100

x + 2 = 7

What is x = 5

200

2x - y = 2

What is (0, -2) (1,0)

300

Solve 6x-19=3x-10

What is x=3 ?

400

2(x+5) -7 =3 (x-2) 

x = 9

500

Solve 4(x-2)=12

What is x=5 ?

PARENTS FUNCTIONS & QUADRATICS

100

Identify the vertex of f(x)=3(x-3)² + 6

What is (3,6) ?

200

Does this parabola open up or down? y = (x+4)² - 5

What is opens up ?

300

Axis of symmetry f(x)= -x² + 18x - 75 ?

What is x=9 ?

400

 graph f (x) = -|x-5| + 2 

(5,2) should be downwards v

500

What is y-intercept of y=2x²-4x-2 ?

What is (0,-2) ?

FACTORING

100

4x³ + 4x² + 8

What is 4x (x² + x +2) ?

200

Factor using Dots: x² - 9

What is x² - (3)² ?

300

FOIL: (4n +5) (4n+1)

What is 16n+ 24n +5 ?

400

What is the formula for D.O.T.S. (the difference of 2 squares)

What is a² - b² = a + b x a - b = (a-b)2 ?

500

Factor Using Grouping: (4x³ - 8x²) + (2x-4)

What is (4x²+2) (x-2) ?