CPREP Test 3-1 Practice Review

• Up

  a = 3 > 0

• Up

  The + 10 on the end causes it to open up.

• Down

  The - 5x causes it to open down.

• Up

  All degree 2 polynomials open up.

Tags

CCSS.HSF-IF.C.7A

• Down

  a = -2 < 0

• Down

  The - 18 on the end causes it to open down.

• Down

  (x - 4) causes it to open down.

• Up

  All degree 2 polynomials open up.

Tags

CCSS.HSF-IF.C.7A

• (4, - 18)

• (4, 18)

• (- 4, - 18)

• (- 4. - 18)

• (9, - 12)

• (9, 12)

• (- 9, 12)

• (- 9. - 12)

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?

• {3, 5, 7}

• {2, 3, 5, 7}

• {2, 3, 5, 7, 9}

• {1, 2, 3, 5, 7, 9}

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is |A ∩ B|?

• 5

• 4

• 0

• 3

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∪ B?

• {3, 5, 7}
• {2, 3, 5, 7}
• {2, 3, 5, 7, 9}
• {1, 2, 3, 5, 7, 9}

How many students do not ski or ice skate?

• 10
• 16
• 22
• 28

Tags

CCSS.HSS.CP.A.1

CCSS.HSS.CP.B.7

How many students ice skate and snowboard, but do not ski?

• 4

• 21

• 6

• 2

How many students ski or snowboard, but do not ice skate?

• 31

• 8

• 23

• 6