Combination Variation

Rylan’s basketball team has 11 players. How many ways can his coach choose five starting players?

• 462

• 55440

• 55

• 1000

A student can select one of 6 different mathematics books, one of 3 different books and one of 4 different science books. In how many way can a student select a book of mathematics, a book of chemistry and book of science?

• 27

• 72

• 54

• 68

To buy a computer system, a customer can choose one of 4 monitors, one of 2 keyboards, one of 4 computers and one of 3 printers. Determine the number of possible systems that a customer can choose from.

• 128

• 8

• 32

• 96

A man has 3 different suits, 4 different shirts and 5 different pairs of shoes. In how many different ways can this man wear a suit. a shirt and a pair of shoes?

• 12

• 24

• 48

• 60

• a

• b

• c

• d

(f + g) (x)

• 5x² + 3x

• 4x² + 3x

• 5x² - 3x

• 4x² - 40x

Find (f + g)(x)

• 2x² - 3

• 9

• x⁴ - 3x² - 18

• (x² + 3)/(x² -6)

• 3.5 cups
• 3 cups
• 7 cups
• 1 cup

Y is directly proportional to the square of z and inversely proportional to w and x

• y=kz²/wx

• y=kz/wx

• y=wx/kx²

• y=wx/kz

Suppose f varies directly as g, and f varies inversely as h.
f = -12 when h = 4 and g = -3.
Find g when f = 28 and h = 8.

• 14

• -14

• 16

• -16