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