Fundamental Math Skills Flashcards
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.