08/03 STAAR Reference chart quiz

Pythagorean Theorem

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What is the formula for finding the area of a triangle?

• A = bh

• A = ½ bh

• V = Bh

• A = πr²

What is the direct variation formula?

• y = kx

• y = mx + b

• a² + b² = c²

What is the formula for finding the area of a circle?

• V = 4/3 π r²

• A = π r²

• C = 2π r

Which formula should you use to find the lateral surface area of a cylinder?

• S = 2πrh

• S = 2πrh + 2πr²

• C = 2πr

• C = πd

What is the slope-intercept form formula?

• y = kx

• y = mx + b

• I = Prt

In the formula y = mx + b, what does the "b" represent?

• Slope

• Y-intercept

• Area of the base

• Perimeter of the base

In the simple interest formula, what does the "P" stand for?

• Perimeter of the base

• Principal

• Percent

• PERT

When using the lateral surface area formula S = Ph, what does the "P" represent?

• Perimeter of the base

• Percent

• Principal

In the interest formulas, what does the "t" stand for, and what units does it HAVE to be in?

• time, years

• time, months

• triangle, feet

• temperature, °F