Solve for X Jeopardy

MDR

100

What is the slope of the function below:

4x + 8y = 20

m = -0.5

200

What is the y-intercept of the line:

-3x + 2y = 36

b = 18

300

What is the slope of the graph of y = 12x - 19

A) -19
B) -12/19
C) 19/12
D) 12

D) 12

400

What is the slope the graph below?

-7x - 10y = 142

m = -0.7 or -7/10

500

What is the slope and y-intercept of the linear function:

-3y + 6x = 36 

m = 2

b = -12

Quadratics

100

What is the positive solution to the equation

0 = 1/3x² - 3

The positive solution is (3, 0)

200

Which value of x is a solution to this equation?

3x² - 30x - 72 = 0

A) x =-12
B) x =-4
C) x =-2
D) x =-6

C) x =-2

300

Which value of x is the solution to this equation?

5x² = 30x - 45

A) x = 3
B) x = -3
C) x = 5
D) x = -5

A) x = 3

400

What are the roots of 2x² + x - 15?

x = -3

x = 2.5

500

The area of a rectangular trampoline is 112 ft². The length of the trampoline is 6 ft greater than the width of the trampoline. This situation can be represented by the equation w² + 6w - 112 = 0

What is the width of the trampoline?

8 feet

Solve for x

100

Solve for x:

3(x + 5) = 3

x = -4

200

Solve for x:

-7x + 18 = 46

x = -4

300

Which value of x makes the equation 1.25(4x - 10) = 7.5 true?

A) 3.5
B) -1
C) -0.5
D) 4

D)4

400

Solve for x:

4(3x - 8) -12 = 16

x = 5

500

Marcus works at a bakery. He needs 320 eggs to make cupcakes for his order. He currently has 164 in stock. There are a dozen eggs per carton. How many cartons of eggs does Marcus need to purchase?

13 cartons of eggs

Systems of Equations

100

What is the solution to the equation below?

5(2x + 4) = 4(2x +9)

x = 8 

200

What must the value of n be to make this equation true?

4(0.5n - 3) = n - 0.25(12 - 8n) 

A) 3
B) -9
C) 0
D) -15

B) -9

300

What is the solution to:

-(6m + 8) = 4(17 - m)?

-38

400

What is the solution to 10 - 3(m - 5) = 2(5 - m)?

x = 15

500

Dance lessons are offered at two studios. The cost of dance lessons at each studio is shown,

- Studio Q charges a $30 registration fee plus $80 per month.

- Studio R charges $105 registration fee plus $65 per month. 

After how many months will the total cost of the dance lessons be equal at the two studios?

5 months

Random

100

What is the slope of the line that passes through the points (10, 18) and (-5, -12)?

A) .5
B) 2
C) -2
D) -.5

B) 2

200

The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?

A) 0.6
B) 1.67
C) 7
D) 15

D) 15

300

What is the value of the y-intercept of the graph of g(x) = 73(1-0.2)^x?

73

400

Which ordered pair is in the solution set of:

8x + 16y > 32

A) (0, 2)
B) (-3, 5)
C) (-1, 1)
D) (4, 0)

B) (-3, 5)

500

Simplify:

(2x⁸)(3x^-1)²

18x⁶