ACT Prep Semester Test

What is the formula for calculating the distance between two points (x₁, y₁) and (x₂, y₂)?

• √(x₁ + x₂)² - √(y₁ + y2)²

• √(x₁ + x₂)² + √(y₁ + y2)²

• √(x₁ - x₂)² - √(y₁ - y2)²

• √(x₁ - x₂)² + √(y₁ - y2)²

Tags

CCSS.HSG.GPE.B.7

What is the formula for the Pythagorean Theorem?

Tags

CCSS.8.G.B.8

The formula for calculating the area of a circle is _____.

Tags

CCSS.7.G.B.4

What is the formula for finding the midpoint of a line segment with endpoints (x₁, y₁) and (x₂, y₂)?

• (x₁ + x₂)/2, (y₁ + y₂)/2

• (x₁ - x₂)/2, (y₁ - y₂)/2

• (x₁ - x₂), (y₁ - y₂)

• (x₁ + x₂), (y₁ + y₂)

Tags

CCSS.HSG.GPE.B.6

What is the formula for calculating simple interest?

• I = prt

• I = p/r*t

• I = p + r + t

• I = p - r - t

Tags

CCSS.8.EE.C.7B

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

• (x/360) * πr²

• (360/x) * πr²

• (360/x) * r²

• (x/360) * r²

Tags

CCSS.HSG.C.B.5

What is the formula for the arc length of a circle?

• (x/360) * πr²

• (x/360) * 2πr

• (360/x) * πr²

• (360/x) * 2πr

Tags

CCSS.HSG.C.B.5

What is the quadratic formula for solving ax² + bx + c = 0?

Tags

CCSS.HSA-REI.B.4B

What is the formula for the slope of a line?

• rise - run

• rise + run

• run/rise

• rise/run

Tags

CCSS.8.EE.B.5

What is the formula for the slope-intercept form of a line?

• y = mx / b

• y = mx - b

• y = mx * b

• y = mx + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3