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What does the second quartile (Q2) represent?

Median

Find the mean of: 2 , 4 , 6 , 8 , 10

6

What is breaking a polynomial into simpler parts called?

Factorisation

2x−6=16

x=11

𝑥 ^2 + 3 𝑥 − 10 = 0

(x+5)(x−2)=0

Find the median of: 12 , 8 , 25 , 20 , 15

15

Find the mean of: 5 , 5 , 10 , 15 , 20

11

What is the highest power of x in a polynomial called?

Degree

Find the mode of: 1 , 2 , 2 , 3 , 4 , 4 , 4 , 5

4

Find the mode of: 4 , 4 , 5 , 6 , 6 , 6 , 7

6

How do you calculate the standard deviation from the variance?

By taking the square root of the variance

What do you call the values of x that make the polynomial zero?

Roots

𝑥 ^2 − 7 𝑥 + 12 = 0

(x−3)(x−4)=0

Find the median of: 1 , 3 , 6 , 3 , 7

3

x ^2 −4x+4=0

(x−2)(x−2)=0

𝑥^2 − 4 𝑥 − 21 = 0

(x−7)(x+3)=0