Test: Formulae - Ambitious

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Question 1:   Find the value of d in the following formula: d= x y , if x=5,y=2
d=2
d=5
d= 2 5
d= 5 2
Question 2:   Find the value of Δ in the following formula: Δ= b 2 4ac , if b=5,a=1,c=4
Δ=9
Δ=16
Δ=15
Δ=3
Question 3:   Transpose the following formula for h : s= 1 2 ah
h=2as
h=2 s a
h= 1 2 as
h=2 a s
Question 4:   Transpose the following formula for x : y= x+1 3
x=3y1
y=x+ 1 3
x=y3
x= y+1 3
Question 5:   Transpose the following formula for c : E=m c 2
c= m E
c= E m
c=E m 2
c= E m
Question 6:   Transpose the following formula for q : p= 2 q
q= 4 p 2
q= 1 2 p 2
q= 1 2 p
q= 2 p
Question 7:   Transpose the following formula for x : y= x+1 x1 +2
x= y1 y2 2
x= y+2 y3 1
x= y1 y3
x= y3 y1
Question 8:   Transpose the following formula for b  : y=a x 2 +bx+c
b= ya x 2 +c y
b=ya x 2 c
b= ya x 2 c x
b=y+2a x 2 c
Question 9:   Rearrange the formula u= v1 +1 to make v a subject
v= u1 +1
v= u 2 1
v= ( u1 ) 2 +1
v= u 2 2
Question 10:   Rearrange the formula 2ax+by=3aybx to make x a subject
x=3ayby+2a+b
x= y( 2a+b ) 3ab
x=3ayby2ab
x= y( 3ab ) 2a+b