Formulae quiz - 10THA

If a = 4 & b = 6, what is 3a + 5b?

• 40
• 42
• 44
• 46

Tags

CCSS.6.EE.A.2C

If x = 5, y = 3 & z = 2, what is x + 2y + 3z

• 15
• 16
• 17
• 18

Tags

CCSS.6.EE.A.2C

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a² + c²   

• 22
• 34
• 68
• 43

Tags

CCSS.6.EE.A.2C

Work out the value of the expression when x = 3, y = – 2 and z = – 4.
y + x – z     

• -5
• -3
• 3
• 5

Tags

CCSS.6.EE.A.1

Work out the value of the expression when x = 3, y = – 2 and z = – 4.
2x² + z²   

• 2
• 27
• 50
• 34

Tags

CCSS.6.EE.A.2C

Work out the value of the expression when x = 3, y = – 2 and z = – 4.

• -3
• 4
• 3
• -4

Tags

CCSS.6.EE.A.2C

Solve the formula for w.
 $P\ =\ 2\left(l\ +\ w\right)$  

•  $w\ =\ \frac{P}{2}+\ l$  

•  $w\ =\ 2P\ -\ l$  

•  $w\ =\ \frac{P-l}{2}$  

•  $w\ =\ \frac{P}{2}-\ l$  

Tags

CCSS.HSA.CED.A.4

Solve the formula for p.
 $I\ =\ prt$  

•  $p\ =\ I\ -\ rt$  

•  $p\ =\ \frac{I}{rt}$  

•  $p\ =\ Irt$  

•  $p\ =\ \frac{rt}{I}$  

Tags

CCSS.HSA.CED.A.4

Make a the subject of
a + b = c

• a = c - b
• a = b - c
• a = b + c
• a = bc

Tags

CCSS.HSA.CED.A.4

Make x the subject of y = mx + c

• x = (y - c)/m
• x = y - c/m
• x = y/m - c
• x = my + c

Tags

CCSS.HSA.CED.A.4