− 3 x + 2 c = 3 s o l v e f o r x -3x\ +2c\ =\ 3\ \ \ \ \ \ \ \ solve\ for\ x − 3 x + 2 c = 3 s o l v e f o r x

x = 3 − 2 c − 3 x=\frac{3-2c}{-3} x = − 3 3 − 2 c

x = 6 + 2 c x\ =\ 6+2c x = 6 + 2 c

x = 6 − 2 c x\ =\ 6-2c x = 6 − 2 c

x = 3 + 2 c 3 x\ =\ \frac{3+2c}{3} x = 3 3 + 2 c

a = 3 y − x s o l v e f o r x a\ =\ 3y-x\ \ \ \ \ \ \ \ \ \ \ \ solve\ for\ x a = 3 y − x s o l v e f o r x

x = − a + 3 y x\ =\ -a+3y x = − a + 3 y

x = a + 3 y x\ =\ a\ +\ 3y x = a + 3 y

x = a − 3 y x\ =\ a\ -3y x = a − 3 y

x = − a − 3 y x\ =\ -a\ -3y x = − a − 3 y

Solve for b A = b h 2 A=\frac{bh}{2} A = 2 b h

b = 2 A h b=\frac{2A}{h} b = h 2 A

b = 2 h A b=\frac{2h}{A} b = A 2 h

b = h 2 A b=\frac{h}{2A} b = 2 A h

b = A 2 h b=\frac{A}{2h} b = 2 h A

Solve for m y = m x + b y=mx+b y = m x + b

m = y − b x m=\frac{y-b}{x} m = x y − b

m = x + b − y m=x+b-y m = x + b − y

m = y − b − x m=y-b-x m = y − b − x

m = x − b y m=\frac{x-b}{y} m = y x − b

u = b a k \ u\ =\ bak\ u = b a k Solve for a

a = u b k a=\frac{u}{bk} a = b k u

a = b k u a\ =\ \frac{bk}{u} a = u b k

a = − b k u a\ =\ -\frac{bk}{u} a = − u b k

a = − u b k a=-\frac{u}{bk} a = − b k u

c + a = d + r c+a=d+r c + a = d + r solve for a

a = − c + d + r a=-c+d+r a = − c + d + r

a = − d − r + c a=-d-r+c a = − d − r + c

a = − r + c + d a=-r+c+d a = − r + c + d

a = − c − d − r a=-c-d-r a = − c − d − r

Solve for d. C = π d C\ =\ \pi d C = π d

C π = d \frac{C}{\pi}=d π C = d

C − π = d C\ -\ \pi=d C − π = d

C + π = d C\ +\ \pi=d C + π = d

S A = h p + 2 B SA\ =hp\ +\ 2B S A = h p + 2 B Solve for p

S A − 2 B h = p \frac{SA-2B}{h}=p h S A − 2 B = p

S A h − 2 B = p \frac{SA}{h}-2B=p h S A − 2 B = p

S A − h 2 B = p \frac{SA-h}{2B}=p 2 B S A − h = p

S A − 2 B − h = p SA-2B-h=p S A − 2 B − h = p

V = l w h V\ =\ lwh V = l w h Solve for h.

V l w = h \frac{V}{lw}=\ h l w V = h

V − l − w = h V\ -l-w\ =\ h V − l − w = h

V − l w = h V-lw\ =\ h V − l w = h

V − l w = h V-\frac{l}{w}=h V − w l = h

P = 2 l + 2 w P=2l+2w\ P = 2 l + 2 w Solve for l l l

l = P − 2 w 2 l=\frac{P-2w}{2} l = 2 P − 2 w

l = 2 P − 4 w l=2P-4w l = 2 P − 4 w

l = P − 2 w l=P-2w l = P − 2 w

l = P + 2 w 2 l=\frac{P+2w}{2} l = 2 P + 2 w

Question Bank for Grade 8 Mathematics

Quiz

•

Mathematics

•

8th Grade

•

Practice Problem

•

Medium

Joedy Moots

Used 3+ times

FREE Resource

55 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 12 pts

Solve -2 = 4r + s for s.

s = -2 + 4r

s = 2 - 4r

s = -2 - 4r

s = 2 + 4r

2.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Solve for x:

x = yb - v

x = by - v

x = by + v

3.

MULTIPLE CHOICE QUESTION

5 mins • 12 pts

Solve for n:
2m - n = 8

n = 2m - 8

n = -2m - 8

n = 2m + 8

n = -2m + 8

4.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Solve for x: u = 2x - 2

5.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

Solve for a: 12am = 4

a = 4 -12m

6.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

a = ukb

a = uk + b

7.

MULTIPLE CHOICE QUESTION

30 sec • 12 pts

k = 24-x

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Question Bank for Grade 8 Mathematics

55 questions

Solve -2 = 4r + s for s.

Solve for x:

Solve for n:2m - n = 8

Solve for x: u = 2x - 2

Solve for a: 12am = 4

2. Given 15x + 1 = y, solve for x.

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Solve for n:
2m - n = 8