Math15-06 Jeopardy

Linear Equations

100

Which of the following linear equations is already in slope-intercept form?

a.)   3x - y = 5

b.)   y = 5x + 8

c.)   y - 5 = 2(x - 7)

d.)   x = 5y + 2

b.) y = 5x + 8

200

Which of the following linear equations is in standard form?

a.) 5x + 5 = y

b.) 2x = 3y

c.) 7x + 8y = 12

d.) 2y - 5 = 3(x - 5)

c.) 7x + 8y = 12

300

What is the slope of the following linear equation 

2x + 2y = 6?

a.) -1

b.) 2

c.) -2

d.) 3

a.) -1

400

Which of the following lines is parallel to y = 5x + 7?

a.) y = -5x -2

b.) 7y - 35x = 14

c.) 10y = 30x + 5

d.) 5y + 25x = 25

b.) 7y - 35x = 14

500

Which of the following lines is perpendicular to 

-10x + 5y = 12?

a.) -0.5x - y = 23

b.) y = 2x + 20

c.) 0.2x - 25 = y

d.) y = 0.5x + 50

a.) -0.5x - y = 23

Factoring

100

Which of the following is the correct factored form of 

-x² + 5x = 0?

a.) x(x-5) = 0

b.) (-x+2)(x+3) = 0

c.) -x(x+5) = 0

d.) -x(x-5) = 0

d.) -x(x-5) = 0

200

Which of the following is the correct factored form of

x² - 1 = 0

a.) (x-1)(x-1) = 0

b.) (x-1)(x+1) = 0 

c.) x(x-1) = 0

d.) (x+1)(x+1) = 0

b.) (x-1)(x+1) = 0

300

Which of the following is the correct factored form of

2x² + 7x + 6 = 0?

a.) (2x + 3)(x + 2) = 0

b.) (2x + 2)(x + 3) = 0

c.) 2(x + 3)(x + 4) = 0

d.) 2(x + 3)² = 0

a.) (2x + 3)(x + 2) = 0

400

What has to be true for there to be no real solutions 

to ax² + bx + c = 0?

a.) a is too small

b.) b² - 4ac < 0

c.) b = c

d.) If the diamond method doesn't work 

b.) b² - 4ac < 0

500

What is the multiplicity of x = 0 in the following:

x⁸ + 2x¹⁶ + 5x⁶⁴ = 0?

a.) 2

b.) 4

c.) 8

d.) 16

c.) 8

Fractions

100

What is 1/2 * 3/10?

a.) 3/20

b.) 1/20

c.) 3/10

d.) 10/6

a.) 3/20

200

Simplify: 36/72

1/2

300

What is 1/2 + 1/8?

a.) 1/10

b.) 1/16

c.) 5/8

d.) 3/8

c.) 5/8

400

What is 3/2 - 5/6?

a.) 2/3

b.) -2/3

c.) 1/2

d.) -1/2

a.) 2/3

500

What is (3/4) / (2/3) ?

a.) 2

b.) 9/8

c.) 1/2

d.) 8/9

d.) 8/9

Solving for x

100

Which of the following is the correct solution(s) for x 

in x + 25 = 0?

a.) x = 5

b.) x = 25

c.) x = -25

d.) x = -5

c.) x = -25

200

Which of the following is the correct solution(s) to x in 

x² - 25 = 0?

a.) x = 5

b.) x = -5

c.) x = 0, 5

d.) x = 5, -5

d.) x = 5, -5

300

Which of the following is the correct solution(s) to x in

x² - 6x + 9 = 0?

a.) x = 3, -3

b.) x = 3

c.) x = -3

d.) x = -6, -3

b.) x = 3

400

Which of the following is the correct solution(s) to x in

x² = -1?

a.) x = 1, -1

b.) x = -1

c.) No Real Solution

d.) Infinitely many solutions

c.) No Real Solution, the answer is imaginary "i"

500

Which of the following is the correct solution(s) to x in

x³ + 8x² + 15x = 0?

a.) x = 0, 4

b.) x = 0, 3, 5

c.) x = 0, -3, -5

d.) x = 0, -4

c.) x = 0, -3, -5