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Chapter 7: Q60. (page 352)

Solve the inequality x2+2x-86鈮�-23 algebraically.

Short Answer

Expert verified

The solution for the inequality isx鈭�-鈭�,-9鈭�7,鈭�.

Step by step solution

01

Step 1. Write down the given inequality.

The given inequality is x2+2x-86鈮�-23.

02

Step 2. Solve the given inequality.

Solving the inequality x2+2x-86鈮�-23 by factoring it.

x2+2x鈭�86鈮�鈭�23....Givenx2+2x鈭�63鈮�0x+9x鈭�7鈮�0....Factoringx鈮�鈭�9orx鈮�7x鈭�鈭�鈭�,鈭�9鈭�7,鈭�

03

Step 3. Conclusion.

The solution for the inequality is x鈭�-鈭�,-9鈭�7,鈭�.

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Most popular questions from this chapter

Complete each of the following.

  1. Graph each function by making a table of values.
  2. Determine consecutive values of x between which each real zero is located.
  3. Estimate the x-coordinate at which the relative maxima and relative minima occur.

fx=x5+4x4-x3-9x2+3

State the degree and leading coefficient of polynomial a2+2ab+b2 in one variable. If it is not a polynomial in one variable, explain why.

Find p4andp-2 for the function px=x5-x2.

If px=2x3+6x-12andqx=5x2+4 then find 3pa-qa+1.

Complete each of the following.

  1. Graph each function by making a table of values.
  2. Determine consecutive values of x between which each real zero is located.
  3. Estimate the x-coordinate at which the relative maxima and relative minima occur.

fx=-x4+x3+8x2-3
See all solutions

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