CROSS CLASS JEOPARDY

GRAPHING AND FUNCTIONS

100

What is the slope of the line that passes through the points (2, 3) and (4, 7)?

Slope = 2

200

Write the equation of the line in slope-intercept form that passes through the point (3, -2) and has a slope of 4.

y = 4x - 14

300

The function f(x) = 2x² + 3x - 5 is graphed on the coordinate plane. What is the parent function of this graph, and what type of transformation occurred to get this function from the parent function?

F(x) = x²

400

Graph the linear inequality 2x - 3y > 6. What would the graph look like and which side of the line would be shaded? Find slope and y-intercept

Dashed line top half of the line is shaded, slope is 2/3 and y-intercept is -2

500

Which is not a function?

a. {(-1, 2) (-2,5) (-5, 7) (-20,-20)}

b. {(1,2) (2,3) (1,4) (4, 5)}

c. {(1,2) (2,3) (3,4) (4,5)}

d. {(-1,1) (-2,3) (-3,3) (-4,2)}

B

SYSTEMS OF EQUATIONS

100

Solve this system by graphing

y=2x+3 and y=−x+1

(1,5)

200

Solve the system by substitution

x+y=7 and 2x−y=4

(11/3, 10/3)

300

Solve this system by elimination

3x+2y=12 and 6x−2y=10

(22/9, 7/3)

400

Solve the system by substitution

3x−y=4 and 4x+2y=12

(2,2)

500

Solve this system by elimination

5x+3y=22 and 4x−3y=7

(29/9, 53/27)

EXPONENTS AND POLYNOMIALS

100

Convert the following number to scientific notation:
0.0000356

0.0000356=3.56×10−5

200

Which is a polynomial function?

A) f(x)=x2 +3x+4

B) f(x)= 1/x + 2

C) f(x)= 4√x

A

300

Multiply the following polynomials:

(x+5)(x−3)

x2+2x−15

400

Find the greatest common factor (GCF) of the following polynomials:
6x3 y+9x2y2−15xy3

3xy

500

Factor the trinomial:

X2 + 7x + 10

x2+7x+10=(x+2)(x+5)

QUADRATICS AND ZEROS

100

Solve the quadratic equation: 

x2−8x+15=0

x=3 and/or x=5

200

Solve the quadratic equation using the quadratic formula: x2+4x−5=0

X = 1 and/or X -5

300

Use synthetic division to divide 

2x3+3x2−5x−6 by x+2. 

What is the quotient?

The quotient is 2x2−x−3 with a remainder of 0.

400

Find the zeros of the polynomial 

x3−4x2−7x+10. 

Use synthetic division to factor the polynomial and find the zeros.

1, 5, -2

500

Solve for the zeros of the quadratic equation 

2x2−3x−5=0

using the quadratic formula.

X = 3+7/4 = 10/4=2.5 and/or x= 3-7/4 = -4/4 = -1

RATIONAL EXPRESSIONS

100

Simplify the rational expression:

4x2/8x

X= x/2

200

Multiply the rational expressions: 

2x5/and 3x2/4

3x3/10

300

Add the rational expressions: 3/x+2 and 4/x+2.

7/x+2

400

Solve the rational equation:

3/x-1 = 5/x+2

X = 11/2

500

Simplify the rational expression: 

X2-9/x2-6x+9

X+3/x-3