m2h

probability

100

 A bag contains 5 red balls and 3 blue balls. What is the probability of drawing a red ball?

5/8

200

In a deck of cards, what is the probability of drawing an Ace?

1/13

300

A die is rolled once; what is the probability that it shows an even number?

1/12

Variations

200

If z varies inversely as w and z=8 when w=2, what is z when w=4?

4

300

If p varies directly with q and p=24 when q=6, find p when q=10.

40

square root

100

Solve for x in the equation √(x + 7) = 5

18

200

y² -16=0

+/- 4

300

 √z + √z-1 =7.

25

trigonomerty

100

What is sin(30°)?

1/2

200

 cos(60°)

1/2

300

tan(45°

1

quadractics

100

Solve the quadratic equation x² - 5x + 6 = 0.

2, 3

200

x² + x -12 =0

(3, -4)

300

x^2 + x +1

no real solutions