Unit 4 Review
1. Solve 5x + 4 = 24 using algebra.
2. A baby pool holds 200 L of water. It is leaking at a constant rate of 10 L per minute. How much water will be
left in the pool after 15 min.?
3. Solve 4x + 2 = 14 using algebra.
4. List the
Quadratic Relation Assignment
Home Run Derby
Data are shown below for three players at a recent minor league home run hitting contest.
The ball followed a path modeled by the equation h = -0.001d2 + 0.5d +2.5
Where h is a height of the ball in
Graphing and Analyzing a Quadratic Relations Using TI-83
The following are the key strokes and screen shots that will show you how to: 1) Graph a
quadratic; 2) Find the y-intercept; 3) Find x-intercept(s), i.e. real zeros, if any; and 4) Find
Worksheet: Quadratic Relations. Rates of Change.
1. Make a table of values for each relation. Use the table to determine if the relation
quadratic. Graph each relation.
y = x2 6x + 8
y = x2 + 7x +12
The Primary Trigonometric Ratios Word Problems
A. Determining the measures of the sides and angles of right triangles using the primary ratios
When we want to measure the height of an inaccessible object like a tree, pole, building, or cliff, we can utili
Worksheet: Standard and Factored Forms of Quadratic Relations
The relation is given in standard form:
y = x2 + x 6
Change it into factored form:
Find the horizontal coordinate for the vertex:
Find the vertical coordinate for the vert
FOIL Rule to Multiply Binomials:
Example 1: (2x + 3)(3x 1)
The following steps demonstrate how to use FOIL on this multiplication problem.
Multiply the first term of each binomial together.
Multiply the outer terms together.
(2x)(1) = 2x