Math ISU Jeopardy

Linear Systems

100

Solve The Following Linear System Using Substitution  

x - 7y = -11                                                          

5x + 2y = -18

What is  x = -4, y = 1

200

Solve The Following Linear System Using Substitution

7x - 8y = -12                                                       

-4x + 2y = 3

What is x = 0, y = 3/2

300

Solve The Following Linear System Using Elimination

6x - 5y = 8

-12x + 2y = 0

What is x = -1/3, y = -2

400

Solve The Following Linear System Using Elimination

-2x + 10y = 2

5x - 25y = 3

What is no solution

500

Solve The Following Linear System Using Elimination

2x + 3y = 20

7x + 2y = 53

What is x = 7, y = 2

Quadratics Equations

100

Solve For x

x² - 3x - 10 = 0

What is x = 5 or x = -2

200

Solve For x

 x² - 18x + 45 = 0

What is x = 15 or x = 3

300

Solve for x

3x² + 2x = 1

What is x = 1/3 or x = -1

400

Solve For x

11x² + 18x + 7 = 0

What is x = -1 or x = -7/11

500

Solve For x 

12x² = 25x

What is x = 0 and x = 25/12

Trigonometry

100

Solve

sin45°

What is 0.707

200

Solve

tan14°

What is 0.249

300

Solve

cos38°

What is 0.788

400

Solve

tanθ = 0.374

What is 20.5

500

Solve

cosθ = 0.822

What is 34.714

Analytic Geometry

100

Find The Distance Between The Following Points

A (1,2) and B (4,6)

What is 5 units

200

Find The Equation of The Line Passing Through The Following Points

(2,3) and (5,7)

What is y = 4/3x + 1/3

300

Determine if The Following Points Are Collinear

(3,-1), (-2,4), and (0,2)

The points ARE collinear

400

Find The Midpoint of The Following Line Segment

(-1,3) and (5,-2)

What is (2, 0.5)

500

Determine if The Following Points are Collinear

(2,3), (5,7), and (8,10)

They are NOT collinear