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## PowerPoint Slideshow about ' Review 4.6-4.7' - kimberly

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Solve each equation or inequality

3.

4.

USE QUADRATIC FORMULA

w = 2/5, -1

What values go on your number lines??

2/5, -1, 0, and 1

Example: Solve.

Check your solutions!

Last Example: Solve.

Check your solutions!

The LCD for the three denominators is

Original equation

Multiply each sideby 24(3 – x).

Simplify.

Example 6-2eSince p = –1 results in a zero in the denominator, eliminate –1.

Answer: The solution is p = 2.

Answer:

Related equation

Step 1 Values that make the denominator equal to 0 are excluded from the denominator.For this inequality the excluded value is 0.

Step 2 Solve the related equation.

Step 3 Draw vertical lines at the excluded value and at the solution to separate the number line into regions.

Now test a sample value in each region to determine if the values in the region satisfy the inequality.

is a solution.

Answer: The solution

Find the remainder of each division.

Then state whether the binomial is a factor?

18.

19.

Remainder = 55

Not a factor

Remainder = 18

Not a factor

27.) Find the discriminant of the function given and describe the nature of the roots.

Discriminant = 73

2 distinct real roots

Write the polynomial equation of least degree have the roots:

28.)1, -1, 0.5

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