SAT Math Formulas YOU DON'T KNOW

0.0(0)
studied byStudied by 3 people
GameKnowt Play
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/9

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

10 Terms

1
New cards

Point-Slope Form

y - y1 = m(x - x1)

m = slope

2
New cards

Circle Equation

(x - h)² + (y - k)² = r²

Center @ (h, k)

3
New cards

Sum of Solutions of a Quadratic

0 = ax² + bx + c

SUM = -b/a

4
New cards

Product of Solutions of a Quadratic

0 = ax² + bx + c

PRODUCT = c/a

5
New cards

The Discriminant of a Quadratic

What does the value of the discriminant tell you about the number of real solutions the equation has?

0 = ax² + bx + c

b² - 4ac

Negative = no real solution

0 = 1 real solution

Positive = 2 real solutions

6
New cards

Area of an Equilateral Triangle

(s²√3)/4

7
New cards

Sum of Angles of a Polygon

(n - 2)(180)

n = number of sides

8
New cards

Triangle Congruence Theorems

SAS

SAS

ASA

AAS

Hypotenuse-Leg - ONLY FOR RIGHT TRIANGLES

9
New cards

Triangle Similarity

AA

SAS

SSS

10
New cards

Unit Circle