ACT jeopardy

Algebra Basics

100

1. Solve: 2x + 5 = 13

x = 4

200

1. Solve: 3x - 7 = 2x + 9

x = 16

300

1. Simplify: (x + 4)(x - 2)

x^2 + 2x - 8

400

1. Solve: x^2 - 9 = 0

 x = 3, -3

500

1. Solve for x: 2x/3 + 4 = 10

 x = 9

Geometry

100

1. What is the area of a triangle with base 6 and height 4?

 12

200

1. Find the circumference of a circle with radius 5. (Use \pi \approx 3.14)

31.4

300

1. A right triangle has legs 3 and 4. What is the hypotenuse?

 5

400

1. What is the sum of the interior angles of a hexagon?

720°

500

1. Find the area of a circle with diameter 10.

78.5

Functions&Graphs

100

1. Evaluate: f(x) = 2x + 3, find f(4)

11

200

1. What is the slope of the line through (2,3) and (6,11)?

 2

300

1. If f(x) = x^2, what is f(-3)?

9

400

1. Find the y-intercept of: y = -2x + 5

5

500

1. What is the vertex of y = x^2 - 6x + 9?

(3,0)

Prob. & Stats.

100

1. What is the probability of flipping heads on a fair coin?

1/2

200

1. Find the mean of: 2, 4, 6, 8

5

300

1. A die is rolled. What is the probability of getting a number greater than 4?

1/3

400

Find the median: 3, 7, 9, 12, 15

9

500

1. A bag has 3 red and 2 blue marbles. What is the probability of picking red?

3/5

Advanced ACT Math

100

1. Simplify: square root of 49

7

200

1. Solve: x^2 = 16

x = 4, -4

300

1. Simplify: 6x^2/3x

2x

400

1. Solve: 2x^2 - 8 = 0

x = 2, -2

500

1. Solve using quadratic formula: x^2 + 4x + 3 = 0

 x = -1, -3