# Study sets matching "test math formulas"

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1000 meters = how many kilometers?

What is the formula for the Area of a R…

What is the formula for Area of a squar…

What is the formula for the Area of a t…

1 km

Length x width

length of its sides squared (x's itself)

1/2(Base x Height)

1000 meters = how many kilometers?

1 km

What is the formula for the Area of a R…

Length x width

Slope Intercept Form

Standard Form

Slope

% Change

y=mx+b... m=slope... b=y intercept (where x=0)

ax+by=c... a,b, and c are real #s ... *plug in 0 to one to find the…

y1-y2/x1-x2

change/start×100=% change

Slope Intercept Form

y=mx+b... m=slope... b=y intercept (where x=0)

Standard Form

ax+by=c... a,b, and c are real #s ... *plug in 0 to one to find the…

Area of a trapezoid:

trapezoid

Area of a circle:

Area of a semicircle:

A=1/2h(b1+b2)... Area of a trapezoid: height x (base 1 + base 2 d…

Quadrilateral with exactly one pair of parallel sides

3.14 x radius squared... A=pi*(r^2)... A=πr²

½ x 3.14 x radius squared

Area of a trapezoid:

A=1/2h(b1+b2)... Area of a trapezoid: height x (base 1 + base 2 d…

trapezoid

Quadrilateral with exactly one pair of parallel sides