Formulae

Find the value of y in the following:

y = a (4a - 5), given a=3

• 18

• 21

• 19

• 51

Tags

CCSS.6.EE.A.2C

Find the value of y in the following:

y = (x+p) (3x - p - 4), given x=3 and p=4

• 5

• 7

• -7

• 9

Find the value of y

• - 3

• 3

• - 6

• 6

Find the value of y

• 17

• 17/33

• 33

• 19/45

If xy - 3y² = 15, find the value of x when

y = 2

• 13

• 12

• 12.5

• 13.5

If p - 5q = 4qr, find the value of p when

q = 4 and r = -1

• 20

• 4

• 6

• -20

Find a formula for the following:

Difference (D) of the square of a and the square of b

• D = a² + b²

• D = 2a - 2b

• D = 2a + 2b

• D = a² - b²

Find a formula for the following:

Sum (S) of any three consecutive odd numbers where the first number is d

• 3d + 6

• d + 3

• d + 6

• 3d

What is the value of x?

• 10

• 15

• 18

• 20

Solve for x in the following

5x + 2 = 7

• 1

• 2

• 3

• 4