Fundamental Math Skills Flashcards
(43 cards)
What is the Midpoint Formula? (x, y) = ?
x + x ───, 2 y + y ─── 2
How do you find slope? M = ?
y² - y¹
───
x² - x¹
What is the Pythagorean theorem?
a² + b² = c²
Combinations: 3 socks, 5 shoes, 12 shirts. How many outfits?
3 x 5 x 12 = 180
a² x a³ = ?
a² x a³ = a⁵
You should add the exponents together.
Division rule for exponents?
a⁴ ➗ a² = a⁴ ⁻ ²
( a² )⁵ = ?
( a² )⁵ = a²ˣ⁵
If there is a fraction and the numerator has a exponent what happens to the rest of the fraction?
a⁴
─ =
b
a⁴
─
b⁴
Zero exponent rule?
a⁰= 1
Negative exponent rule?
a⁻² =
1
─
a²
Substituting values into polynomials
f (x) = -3x² + 5x + 4
f(-5.2) = ?
F(x) = -3(-5.2)² + 5(-5.2) + 4
A rational can be written as
a fraction of a whole number
What is probability
P(a) =
Want
────
#Total
a=want
Complex Numbers
i = ?
i is equal to √1
Complex numbers
i² = ?
i² = − 1
1 meter is equal to how many feet?
1 meter is equal to 3.3 feet.
1 kilogram is equal to how many pounds?
1 kilogram is equal to 2.2 pounds.
1 yard is how many feet?
1 yard is 3 feet.
1 mile is equal to how many kilometers?
1 mile is equal to 1.61 Kilometers
What is the Arithmetic Sequence Formula?
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.
What is mode?
Mode is the most common number.
What is median?
Median is the average of the middle numbers or the middle number.
What is mean?
Mean is the same as the average.
What is the area of a circle?
The area of a circle is πr²