Math Review #2 Jeopardy 10 20 30 40 50 Expressions and Equations Inequalities Modeling Geometric Figures Circumference, Area, and Volume Mix It UP!!! 10 20 30 40 50

Using the Distributive Property, 3(2a-4b)= _________.

When solving an algebraic equation, the goal is to _____________ the variable. ISOLATE Category 1 - 10

To solve an algebraic equation, perform the OPPOSITE calculation on the equation. These are called _________ ____________. INVERSE OPERATIONS Category 1 - 20

Factor the following 2 expressions. a.) 3x + 9 b.) 5x + 20 a.) 3 (x+3) b.) 5 (x+4)

Use inverse operations to solve the following two equations: a.) 4.9 + z = -9 b.) 9s + 3 = 57 a.) z= -13.9 b.) s= 6

You do NOT have to change the symbol. If you add or subtract to both sides of an inequality, you have to/don’t have to change the inequality symbol. You do NOT have to change the symbol.

You HAVE to flip the symbol. If you multiply or divide both sides of an inequality by a NEGATIVE number, you have to/don’t have to change the inequality symbol. You HAVE to flip the symbol.

What do the following inequality symbols stand for? c.) < d.) > a.) less than or equal to b.) greater than or equal to c.) less than d.) greater than

Solve the following inequality: -3x < 27 x > -9

Which of the following graphs is a solution to this inequality? 8-7x ≥ 22 a.) b.) c.) d.) b.

When solving a problem that involves a scale, use a _________. PROPORTION

To form a triangle, the 2 shortest sides have to add up to a sum that is _____________ than the length of the longest side. GREATER

A _________ __________ is the intersection of a three-dimensional figure and a plane. Cross Section

a.) Supplementary angles are two angles who have a sum of _______. b.) Complementary angles are two angles whose measures have a sum of _________. a.) 180 degrees b.) 90 degrees

(angles need to be beside each other) a.) Name a pair of VERTICAL angles. b.) Name a pair of ADJACENT angles. a.) <AFB and < EFD b.) AFB and <AFE (angles need to be beside each other)

The distance around a circle, or its “perimeter,” is called _____________. CIRCUMFERENCE

1.) Multiply the radius by 2 to get the diameter. If given a circle’s radius, explain how to find the circle’s circumference. 1.) Multiply the radius by 2 to get the diameter. 2.) Solve for circumference by multiplying pi times the diameter.

What is the formula for the AREA of a circle? A = pi•r2

How do you find the SURFACE AREA of a 3-dimensional figure? Draw out the faces and find the area of each. Then add up all of the areas together.

What is the formula for the VOLUME of any prism or cylinder? V = B x hp (where the capital B stands for the area of the base.)

Multiplying by ¼ is the same as dividing by ________. 4

What is the formula for the AREA of a triangle?  

The scale for a wall mural 2 inches: 3 feet. The scale drawing has a length of 28 inches and a width of 11 inches. What is the actual length of this wall mural? 42 feet

What is the formula to find the AREA of a trapezoid? A = ½ h (b1+b2)

  k = 42