Chapter 1

College Algebra with Corequisite Support · 339 exercises

Problem 1

How can you use factoring to simplify rational expressions?

5 step solution

Problem 1

If the terms of a polynomial do not have a GCF, does that mean it is not factorable? Explain.

4 step solution

Problem 1

Evaluate the following statement: The degree of a polynomial in standard form is the exponent of the leading term. Explain why the statement is true or false.

4 step solution

Problem 1

What does it mean when a radical does not have an index? Is the expression equal to the radicand? Explain.

4 step solution

Problem 1

Is \(2^{3}\) the same as \(3^{2}\) ? Explain.

4 step solution

Problem 1

Is \(\sqrt{2}\) an example of a rational terminating, rational repeating, or irrational number? Tell why it fits that category.

4 step solution

Problem 2

Many times, multiplying two binomials with two variables results in a trinomial. This is not the case when there is a difference of two squares. Explain why the product in this case is also a binomial.

5 step solution

Problem 2

What is the order of operations? What acronym is used to describe the order of operations, and what does it stand for?

6 step solution

Problem 3

Tell whether the following statement is true or false and explain why: You only need to find the LCD when adding or subtracting rational expressions.

4 step solution

Problem 3

What is the purpose of scientific notation?

4 step solution

Problem 3

What do the Associative Properties allow us to do when following the order of operations? Explain your answer.

4 step solution

Problem 4

For the following exercises, simplify the rational expressions. \(\frac{x^{2}-16}{x^{2}-5 x+4}\)

3 step solution

Problem 4

For the following exercises, find the greatest common factor. \(14 x+4 x y-18 x y^{2}\)

4 step solution

Problem 4

State whether the following statement is true and explain why or why not: A trinomial is always a higher degree than a monomial.

5 step solution

Problem 4

Can a radical with a negative radicand have a real square root? Why or why not?

4 step solution

Problem 4

Explain what a negative exponent does.

4 step solution

Problem 4

For the following exercises, simplify the given expression. \(10+2 \times(5-3)\)

4 step solution

Problem 5

For the following exercises, simplify the rational expressions. \(\frac{y^{2}+10 y+25}{y^{2}+11 y+30}\)

4 step solution

Problem 5

For the following exercises, find the greatest common factor. \(49 m b^{2}-35 m^{2} b a+77 m a^{2}\)

4 step solution

Problem 5

For the following exercises, identify the degree of the polynomial. \(7 x-2 x^{2}+13\)

3 step solution

Problem 5

For the following exercises, simplify each expression. \(\sqrt{256}\)

4 step solution

Problem 5

For the following exercises, simplify the given expression. Write answers with positive exponents. \(9^{2}\)

4 step solution

Problem 6

For the following exercises, simplify the rational expressions. \(\frac{6 a^{2}-24 a+24}{6 a^{2}-24}\)

6 step solution

Problem 6

For the following exercises, find the greatest common factor. \(30 x^{3} y-45 x^{2} y^{2}+135 x y^{3}\)

5 step solution

Problem 6

For the following exercises, identify the degree of the polynomial. \(14 m^{3}+m^{2}-16 m+8\)

3 step solution

Problem 6

For the following exercises, simplify each expression. \(\sqrt{\sqrt{256}}\)

3 step solution

Problem 6

For the following exercises, simplify the given expression. Write answers with positive exponents. \(15^{-2}\)

4 step solution

Problem 7

For the following exercises, simplify the rational expressions. \(\frac{9 b^{2}+18 b+9}{3 b+3}\)

4 step solution

Problem 7

For the following exercises, find the greatest common factor. \(200 p^{3} m^{3}-30 p^{2} m^{3}+40 m^{3}\)

5 step solution

Problem 7

For the following exercises, identify the degree of the polynomial. \(-625 a^{8}+16 b^{4}\)

3 step solution

Problem 7

For the following exercises, simplify each expression. \(\sqrt{4(9+16)}\)

3 step solution

Problem 7

For the following exercises, simplify the given expression. Write answers with positive exponents. \(3^{2} \times 3^{3}\)

3 step solution

Problem 8

For the following exercises, simplify the rational expressions. \(\frac{m-12}{m^{2}-144}\)

5 step solution

Problem 8

For the following exercises, find the greatest common factor. \(36 j^{4} k^{2}-18 j^{3} k^{3}+54 j^{2} k^{4}\)

5 step solution

Problem 8

For the following exercises, identify the degree of the polynomial. \(200 p-30 p^{2} m+40 m^{3}\)

2 step solution

Problem 8

For the following exercises, simplify each expression. \(\sqrt{289}-\sqrt{121}\)

3 step solution

Problem 8

For the following exercises, simplify the given expression. Write answers with positive exponents. \(4^{4} \div 4\)

5 step solution

Problem 9

For the following exercises, simplify the rational expressions. \(\frac{2 x^{2}+7 x-4}{4 x^{2}+2 x-2}\)

4 step solution

Problem 9

For the following exercises, find the greatest common factor. \(6 y^{4}-2 y^{3}+3 y^{2}-y\)

3 step solution

Problem 9

For the following exercises, identify the degree of the polynomial. \(x^{2}+4 x+4\)

4 step solution

Problem 9

For the following exercises, simplify each expression. \(\sqrt{196}\)

4 step solution

Problem 9

For the following exercises, simplify the given expression. Write answers with positive exponents. \(\left(2^{2}\right)^{-2}\)

4 step solution

Problem 10

For the following exercises, simplify the rational expressions. \(\frac{6 x^{2}+5 x-4}{3 x^{2}+19 x+20}\)

3 step solution

Problem 10

For the following exercises, factor by grouping. \(6 x^{2}+5 x-4\)

6 step solution

Problem 10

For the following exercises, identify the degree of the polynomial. \(6 y^{4}-y^{5}+3 y-4\)

4 step solution

Problem 10

For the following exercises, simplify each expression. \(\sqrt{1}\)

3 step solution

Problem 10

For the following exercises, simplify the given expression. Write answers with positive exponents. \((5-8)^{0}\)

3 step solution

Problem 11

For the following exercises, simplify the rational expressions. \(\frac{a^{2}+9 a+18}{a^{2}+3 a-18}\)

4 step solution

Problem 11

For the following exercises, factor by grouping. \(2 a^{2}+9 a-18\)

6 step solution

Problem 11

For the following exercises, find the sum or difference. \(\left(12 x^{2}+3 x\right)-\left(8 x^{2}-19\right)\)

4 step solution

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