Fundamental Math Skills Flashcards

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1
Q

What is the Midpoint Formula? (x, y) = ?

A
x + x    
───,
2
y + y
───
  2
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2
Q

How do you find slope? M = ?

A

y² - y¹
───
x² - x¹

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3
Q

What is the Pythagorean theorem?

A

a² + b² = c²

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4
Q

Combinations: 3 socks, 5 shoes, 12 shirts. How many outfits?

A

3 x 5 x 12 = 180

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5
Q

a² x a³ = ?

A

a² x a³ = a⁵

You should add the exponents together.

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6
Q

Division rule for exponents?

A

a⁴ ➗ a² = a⁴ ⁻ ²

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7
Q

( a² )⁵ = ?

A

( a² )⁵ = a²ˣ⁵

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8
Q

If there is a fraction and the numerator has a exponent what happens to the rest of the fraction?

A

a⁴
─ =
b

a⁴

b⁴

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9
Q

Zero exponent rule?

A

a⁰= 1

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10
Q

Negative exponent rule?

A

a⁻² =
1

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11
Q

Substituting values into polynomials
f (x) = -3x² + 5x + 4
f(-5.2) = ?

A

F(x) = -3(-5.2)² + 5(-5.2) + 4

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12
Q

A rational can be written as

A

a fraction of a whole number

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13
Q

What is probability

A

P(a) =

Want
────
#Total

a=want

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14
Q

Complex Numbers

i = ?

A

i is equal to √1

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15
Q

Complex numbers

i² = ?

A

i² = − 1

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16
Q

1 meter is equal to how many feet?

A

1 meter is equal to 3.3 feet.

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17
Q

1 kilogram is equal to how many pounds?

A

1 kilogram is equal to 2.2 pounds.

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18
Q

1 yard is how many feet?

A

1 yard is 3 feet.

19
Q

1 mile is equal to how many kilometers?

A

1 mile is equal to 1.61 Kilometers

20
Q

What is the Arithmetic Sequence Formula?

A
a(n) = a¹ + (n-1)d
a(n) = the term you want to find.
a¹ = first term in the sequence
n = the term position (ex. for 5th term n = 5)
d = common difference of any pair of consecutive or adjacent numbers.
21
Q

What is mode?

A

Mode is the most common number.

22
Q

What is median?

A

Median is the average of the middle numbers or the middle number.

23
Q

What is mean?

A

Mean is the same as the average.

24
Q

What is the area of a circle?

A

The area of a circle is πr²

25
Q

What is the circumference of a circle?

A

The circumference of a circle is 2πr which is also equal to πd.

26
Q

The area of a square is?

A

27
Q

The area of a rectangle is?

A

A = wl

28
Q

The area of a Trapezoid is

A

The area of a Trapezoid is 1/2( b + b ) (h).

28
Q

The area of a Trapezoid is

A

The area of a Trapezoid is 1/2( b + b ) (h)

29
Q

Circular Inequality formula is?

A

The Circular inequality formula is
( x - h )² + ( y - k )² = r²

( h, k ) = the center of a circle
r = radius

30
Q

What is the volume of a cube?

A

The volume of a cube is s³

where s is the side lengths of the cube

31
Q

The Volume of a Cylinder is

A

The volume of a Cylinder is πr²h

32
Q

45°–45°–90° triangle

A
33
Q

30°–60°–90° triangle

A
34
Q

3: 4 :5 Triangle

A
35
Q

5:12:13 Triangle

A
36
Q

8:15:17 Triangle

A
37
Q

90-45-45 triangle

A
38
Q

30-60-90 triangle

A
39
Q

²√x³ is the same as

A

3/2

x^

40
Q

What is the area of a parallelogram?

A

The area of a parallelogram is bh

41
Q

What is the perimeter of a parallelogram?

A

the perimeter of a parallelogram is
2(a + b)

b(base)
a(side)

42
Q

You can only add numbers together with exponents if they have the same ____. If the two _____ are different take the numbers to their exponent and then add.

A
  1. Base

2. Bases