Solving Equations
Angles
Multiplying Polynomials
Trigonometric Functions
Math Riddles
100

4x = 72

x = 18

100

The sum of angles in a triangle.

180

100

-5x(4x - 2)

-20x2 + 10x

100
Name the three trigonometric functions used to solve for angles and sides in a right triangle.

Sine

Cosine

Tangent

100

If you multiply me by any number, the answer will be the same as the answer if you multiplied me by any other number. What number am I? 

Zero

200

7k - 14 = 56

k = 10

200

A triangle has 2 angles that measure 92 and 15. Find the measure of the third angle. 

73

200

Multiply 

(2x + 3)(5x-2) 

10x2 + 11x - 6

200
You are trying to find an angle in a triangle. You know the measure of two sides, but not the hypotenuse. What trigonometric function are you using to solve?

Tan = opposite / adjacent

200

If a dozen eggs cost $0.12, how many can you buy for a dollar?

100 eggs

300

4 - 3m = -37

m = 41/3 = 13.66

300

Find the value of each trigonometric ratio

Slide #3

C = 20 / 29

300

Multiply

(3x + 5)2

9x2 + 30x + 25

300

You are given the triangle ABC. Side c = 7 and the  hyp = 9. What trigonometric function are you using to solve for angle B. 

Cosine = adjacent / hypotenuse 

300

How can you add eight 8's to get to the number 1,000? (only use addition).

888 + 88 + 8 + 8 + 8 = 1,000

400

-2t - 5t - 7 = 49

t = -8

400

Find the value of x

Slide #4

x = 22

400
Multiply

(2x - 3)(7x2 - 5x + 4)

14x3 - 31x2 + 23x - 12

400

Slide #6

x = 5.4

400

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

51 and 15

42 and 24 

60 and 06

500
40 = 2(10 + 4p) + 2p 

p = 2

500

Find the value of x

Slide #5

x = 360

500

Multiply

(2x2 + x - 3)(x2 - 2x + 5)

2x4 - 3x3 + 5x2 + 11x - 15

500

Slide #7

x = 53.6

500

I will be everything if you put me on my side, I will be nothing if you cut me in half. What am I?

The number 8

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