SAT Math Vocab

Median + How to find it

the “middle number“

• Order the numbers, and choose the one in the middle.

*If even amount of numbers:

1,2,3,4,

Choose the first two to the middle (in this case 2 and 3), and calculate for the number in the middle.

Ans: 2.5

What is mode?

the number that occurs the most

What is the formula to find the degree of each “corner“ of a triangle. What does n stand for?

180 (n-2)

n represents the number of “corners“

How would you find the final exponents of x and y?

(x³y²)^5

multiply!

to get:

x^15y^10

How to find SOH:

Opposite/Hypotenuse

How to find CAH:

Adjacent/Hypotenuse

How to find TOH:

Opposite/Adjacent

how do you figure out the number of solutions a system has?

compare the slopes and y-intercepts of the equations: if slopes are different, there's one solution; if slopes are the same but y-intercepts differ, there are no solutions; if both are the same, there are infinitely many solutions.