# Study sets matching "sat math formulas"

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Circumference of an Arc

Midpoint

Slope

Distance Formula

C arc = (2πr (degree measure center of arc)/360

(x1 + x2)/2, (y1 + y2)/2

(y2 - y1)... (x2 - x1)

_______________________________... √ [(x2-x1)^2 + (y2-y1)^2]

Circumference of an Arc

C arc = (2πr (degree measure center of arc)/360

Midpoint

(x1 + x2)/2, (y1 + y2)/2

Integers

remainder

real number

prime number

Any number in the set {... -2, -1, 0, 1, 2...}.

When an integer is divided by another, this is the... integer amo…

Any number that you see on the SAT — positive, negative, big,…

a number that can only be divided evenly by 1 or itself

Integers

Any number in the set {... -2, -1, 0, 1, 2...}.

remainder

When an integer is divided by another, this is the... integer amo…

midpoint formula

slope formula

how to write the equation of a line

distance formula

((x₁+x₂)/2, (y₁+y₂)/2)

(y₂- y₁) / (x₂- x₁)

written as: ... y=mx+b... -m is the slope of the line.... -b is the y-i…

d = √[( x₂ - x₁)² + (y₂ - y₁)²]

midpoint formula

((x₁+x₂)/2, (y₁+y₂)/2)

slope formula

(y₂- y₁) / (x₂- x₁)

Venn Diagram Group Equation

Group Work Problems

Individual Work Problems when job is no…

Individual Work Problems when job is co…

(Group 1 + Group 2 - Both + Neither = Total)... G1 + G2 - B + N =…

N1 = size of Group 1... H1 = hours of group 1... N1 • H1 = N2 • H2

t/h1 + t/h2 = fraction of job complete

t/h1 + 1/h2 = 1

Venn Diagram Group Equation

(Group 1 + Group 2 - Both + Neither = Total)... G1 + G2 - B + N =…

Group Work Problems

N1 = size of Group 1... H1 = hours of group 1... N1 • H1 = N2 • H2

Sum of roots

Product of roots

Complex Number

Absolute value of complex number

-b/a(b = 1, a=2)

c/a(-1)^n(take last term and divide by first term)(n = degree…

for every four powers(+--+)

Use pythagorean theorem

Sum of roots

-b/a(b = 1, a=2)

Product of roots

c/a(-1)^n(take last term and divide by first term)(n = degree…