Math Quiz

What is 3²+ 7²

• 63

• 58

• 28

• 9

Answer explanation

3 squared = 9

7squared = 49

49+9 = 58

A ______ is a line that goes from one end of the circle to the other

Which of these is the decimal for 1/5?

• 0.2

• 0.75

• 0.33

• 0.5

• 0.57

Answer explanation

1/5 = 0.2 when divided

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Find a in 4a+6=26

• 8

• 5

• 7

• 3

Answer explanation

4a+6=26

LHS RHS

so the 6 will move to the RHS and become the opposite operator which is minus

4a=26-6

4a=20

so you divide both sides by the coefficient of a

4a/4=20/4

a=5

Draw a diameter

A _____ is a a line from the center of a circle touching one end of the circumference

​ ​ The probability of picking 2 out of 6 red balls is

• unlikely

• even chance

• impossible

• likely

• certain

Answer explanation

2 out of 6 balls meaning 2/6=1/3. 1/3 is unlikely

The formula for finding simple interest is _______

Which of these are square numbers(there is more than one answer)

• 27

• 81

• 54

• 16

Answer explanation

9² = 81

4² = 16