Free Printable 8th Grade Formula Chart Review

1.

What is the specific formula for volume of a cylinder? Hint: "B" means area of the base

a)

$V\ =\ \pi r^2h$

b)

$V\ =\ \frac{1}{3}\pi r^2h$

c)

$V\ =\ 2\pi rh\ +\ 2\pi r^2$

d)

$V\ =\ \frac{4}{3}\pi r^3$

2.

What is the formula for volume of a sphere?

a)

$V\ =\ \pi r^2h$

b)

$V\ =\ \frac{1}{3}\pi r^2h$

c)

$V\ =\ 2\pi rh\ +\ 2\pi r^2$

d)

$V\ =\ \frac{4}{3}\pi r^3$

3.

What is the specific formula for volume of a cylinder? Hint: "B" means area of the base

a)

$V\ =\ \pi r^2h$

b)

$V\ =\ \frac{1}{3}\pi r^2h$

c)

$V\ =\ 2\pi rh\ +\ 2\pi r^2$

d)

$V\ =\ \frac{4}{3}\pi r^3$

4.

What is the formula for total surface area of a cylinder?

a)

$V\ =\ \pi r^2h$

b)

$S\ =\ 2\pi rh$

c)

$S\ =\ 2\pi rh\ +\ 2\pi r^2$

d)

$V\ =\ \frac{4}{3}\pi r^3$

5.

What is slope-intercept form?

a)

$y\ =\ mx+b$

b)

$m=\frac{y_{2\ }-\ y_1}{x_{2\ }-\ x_1}$

c)

$y\ =\ kx$

d)

$I\ =\ \Pr t$

6.

What is the equation to find slope of a line?

a)

$y\ =\ mx+b$

b)

$m=\frac{y_{2\ }-\ y_1}{x_{2\ }-\ x_1}$

c)

$y\ =\ kx$

d)

$I\ =\ \Pr t$

7.

What is the formula for compound interest?

a)

$I\ =\ \Pr t\$

b)

$A\ =\ P\left(1+r\right)^t$

c)

$a^2\ +b^2\ =\ c^2$

d)

$y\ =\ mx+b$

8.

What is the formula for simple interest?

a)

$I\ =\ \Pr t\$

b)

$A\ =\ P\left(1+r\right)^t$

c)

$a^2\ +b^2\ =\ c^2$

d)

$y\ =\ mx+b$

9.

What is the formula for Pythagorean theorem?

a)

$I\ =\ \Pr t\$

b)

$A\ =\ P\left(1+r\right)^t$

c)

$a^2\ +b^2\ =\ c^2$

d)

$y\ =\ mx+b$

10.

What is the formula for lateral surface area of a cylinder?

a)

$V\ =\ \pi r^2h$

b)

$S\ =\ 2\pi rh$

c)

$S\ =\ 2\pi rh\ +\ 2\pi r^2$

d)

$V\ =\ \frac{4}{3}\pi r^3$

11.

What formula would you use to find the volume of this shape
? Hint: "B" means area of the base.

a)

$V\ =\ \pi r^2h$

b)

$V\ =\ \frac{1}{3}\pi r^2h$

c)

$V\ =\ 2\pi rh\ +\ 2\pi r^2$

d)

$V\ =\ \frac{4}{3}\pi r^3$

12.

What formula would you use to find the volume of this shape?

Hint: "B" means area of the base.

a)

$V\ =\ \pi r^2h$

b)

$V\ =\ \frac{1}{3}\pi r^2h$

c)

$V\ =\ 2\pi rh\ +\ 2\pi r^2$

d)

$V\ =\ \frac{4}{3}\pi r^3$

13.

What formula would you use to find the volume of this shape?

a)

$V\ =\ \pi r^2h$

b)

$V\ =\ \frac{1}{3}\pi r^2h$

c)

$V\ =\ 2\pi rh\ +\ 2\pi r^2$

d)

$V\ =\ \frac{4}{3}\pi r^3$

14.

What formula would you use to find the TOTAL surface area of this shape?

a)

$V\ =\ \pi r^2h$

b)

$S\ =\ 2\pi rh$

c)

$S\ =\ 2\pi rh\ +\ 2\pi r^2$

d)

$S\ =\ Ph\ +\ 2B$

15.

What is the formula you would use to solve for side C?

a)

$I\ =\ \Pr t\$

b)

$A\ =\ P\left(1+r\right)^t$

c)

$a^2\ +b^2\ =\ c^2$

d)

$y\ =\ mx+b$

16.

What is the formula for finding the area of a triangle?

a)

A = bh

b)

A = ½ bh

c)

V = Bh

d)

A = πr²

17.

What is the formula for finding the volume of a prism?

a)

V = Bh

b)

V = bh

c)

V = ⅓Bh

d)

A = bh

18.

What is the direct variation formula?

a)

y = kx

b)

y = mx + b

c)

a² + b² = c²

19.

What is the formula for finding the area of a circle?

a)

V = 4/3 π r²

b)

A = π r²

c)

C = 2π r

20.

Which formula should you use to find the lateral surface area of a cylinder?

a)

S = 2πrh

b)

S = 2πrh + 2πr²

c)

C = 2πr

d)

C = πd

21.

What is the slope-intercept form formula?

a)

y = kx

b)

y = mx + b

c)

I = Prt

22.

In the formula y = mx + b, what does the "b" represent?

a)

Slope

b)

Y-intercept

c)

Area of the base

d)

Perimeter of the base

23.

In the simple interest formula, what does the "P" stand for?

a)

Perimeter of the base

b)

Principal

c)

Percent

d)

PERT

24.

Which formula should you use to find the volume of a pyramid?

a)

V = Bh

b)

V = ⅓Bh

c)

A = bh

d)

V = bh

25.

For the interest formulas, how to do you turn a percent into a decimal?

a)

Divide the percent by 100

b)

Multiply the percent by 100

c)

Divide the percent by 25

d)

Multiple the percent by 25

26.

In the interest formulas, what does the "t" stand for, and what units does it HAVE to be in?

a)

time, in years

b)

time, in months

c)

triangle, in feet

d)

temperature, in °F

27.

When the question asks me for the equation that represents a situation, I need the m and the b. What does m and b represent?

a)

m=slope; b=y intercept

b)

m=y intercept; b=slope

28.

When I look at a graph, how can I tell the y intercept?

a)

The point when x = 0; which is also the point where the line touches the y axis.

b)

The point when y=0; this is also the point where the line touches the x axis

29.

I can calculate the slope of a graph by using rise/run. I can also use...

a)

$\frac{x_2-x_1}{y_2-y_1}$

b)

$\frac{y_2-y_1}{x_2-x_1}$

30.

m is the same thing as...

a)

b=y intercept

b)

k=constant of proportionality

31.

ONLY IN PROPORTIONAL RELATIONSHIPS, I CAN USE_________TO CALCULATE THE SLOPE.

a)

$\frac{Y}{X}$

b)

$\frac{X}{Y}$

32.

I can draw a _____________________________ to connect two dots on a line if I need to calculate the slope?

a)

rectangle

b)

triangle

c)

right triangle

33.

The formula for the area of a triangle and rectangle help me to find the surface area of prisms? Which formulas will I substitute B with if I need to find the surface area of a triangular prism?

a)

$bh$

b)

$\frac{1}{2}bh$

34.

How will I know that I need to use another formula within a formula?

a)

The letter in the formula will be capitalized

b)

The letter will be lower cased

35.

When I need to find the height of a triangular prism in this formula Ph + 2B, I will substitute h with?

a)

6

b)

7

c)

12

36.

$\frac{1}{2}bh$ When I need to find the height of the triangle for the area of the base using this formula, what is the height of the triangle?

a)

6

b)

7

c)

12

37.

What formula will use to find the area of the base of a cylinder if I need to calculate the volume?

a)

$2\pi rh$

b)

$\pi r^2$

c)

$2\pi r$

38.

What is r?

a)

7 cm

b)

3.5 in

c)

7 in

d)

3.5 cm

39.

What are the parts of the Pythagorean Theorem formula?

a)

a=leg and c=hypotenuse

b)

c=leg and a = hypotenuse

40.

What does I stand for in the simple interest formula?

a)

Interest

b)

Account Balance

41.

What does A stand for in the compound interest formula?

a)

Interest

b)

Account Balance

42.

If I want to find the balance of a simple interest account, what should I do?

a)

I only need to use p r and t to find the balance. The formula gives me the balance that is why it is equal to I.

b)

I need to use the formula to find the I which is interest, then I will add the principal(which is initial amount invested).

43.

If I want to find the interest of a compound interest account, I need to...

a)

I need to just use the formula and calculate the A. A stands for interest...

b)

I need to use the formula and the formula will calculate A, which is the account balance and then I will subtract the principal to find out which part is the interest.

44.

When calculating interest P stands for...

a)

perimeter of base

b)

principal

45.

When calculating interest, do I need to change the percent?

a)

No, just substitute it the way that it is...

b)

Yes, I need to divide the percent by 100

46.

t stands for...

a)

time in years

b)

time in months

8th Grade Formula Chart Review

Total questions: 46

Worksheet time: 3hrs 3mins

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