series mathematics

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}

Tags

CCSS.HSS.CP.A.1

The Universal Set = { -4, 3, -2, -1, 0, 1, 2, 3 ,4} and A = {0}.
What is the complement of A?

• {-4, -3, -2, -1, 0, 1, 2, 3}
• {-3, -2, -1, 1, 2, 3}
• {-4, -3, -2, -1, 1, 2, 3, 4}
• {-4, -3, -2, -1, 1, 2, 3}

Tags

CCSS.HSS.CP.A.1

3 x 5 =

• 15

• 20

• 35

• 51

Tags

CCSS.3.OA.C.7

Find the total mass of 10 packets of fragrant rice, each weighing 2.5kg, and 4 packets of sweets,  each weighing 250 g per packet. Give your answer in kg.

•  2.06 kg
• 3.5 kg
• 2.6 kg
•  26kg

Tags

CCSS.8.EE.C.7B

In the general equal y = mx + b, b is the y-intercept

• True
• False

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

What is a sequence?

• Succession of numbers

• Succession of numbers in a specific order

• Sum of all the terms in a sequence

• Specific order

Tags

CCSS.HSF.BF.A.2

What statement does the shaded region represent?

• A ∩ B ∩ C
• A  ∪ B ∩ C
• B ∩ C
• A ∪ C

Tags

CCSS.HSS.CP.A.1

Find the sum of the arithmetic series: 5+8+11+14+17+20.

• 37

• 37.5

• 75

• 75.5

A pile of soft drink bottle caps has 1 cap on the top layer, 2 caps on the next layer, and so on. How many caps are there in the pile if it contains 26 piles?

• 349

• 350

• 351

• 352

Tags

CCSS.HSF.BF.A.2

12x6=

• 18

• 6

• 72

• 4

Tags

CCSS.3.OA.C.7