Year 8 - Formulae

V = IR

Find R when V = 18 and I = 6

A = ½bh

Find b when A = 12 and h = 6

Substitute x= 5 into the expression  $x^2-5$  

• 5

• 25

•  10

• 20

Tags

CCSS.6.EE.A.2C

Substitute x= 3 into the expression 3x+1

• 3

• 9

• 10

• 7

Tags

CCSS.6.EE.A.2C

Substitute k= 7 and h = 5 into

 $k+h\times3$  

• 22

• 36

• 15

• 21

Tags

CCSS.6.EE.A.2C

If a = 6 and b = 7,find the value of 15-a-b.

• 2
• 3
• 4
• 5

Tags

CCSS.6.EE.A.2C

6q +m - m when m =8 and q= 3

• 63

• 24

• 18

• 1

Tags

CCSS.6.EE.A.2C

What is the value of x in x + 12 = 17?

• 2

• 5

• 6

• 3

Tags

CCSS.6.EE.B.7

What is the value of the expression, 9x² - 12x + 4, when x = 3?

• 22 
• 49
• 85
• 345

Tags

CCSS.6.EE.A.2C

if x=2 and y =3 find:

 $x^y\ +y^x$  

• 12

• 10

• 5

• 17

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.2

CCSS.6.EE.B.6