Chapter 3
Algebra for College Students · 608 exercises
Problem 1
Solve each equation. You will need to use the factoring techniques that we discussed throughout this chapter. $$x^{2}+4 x+3=0$$
4 step solution
Problem 1
Factor completely each of the polynomials and indicate any that are not factorable using integers. $$x^{2}+9 x+20$$
6 step solution
Problem 1
Use the difference-of-squares pattern to factor each of the following. $$x^{2}-1$$
4 step solution
Problem 1
Classify each number as prime or composite. $$63$$
6 step solution
Problem 1
Find each indicated product. Remember the shortcut for multiplying binomials and the other special patterns we discussed in this section. $$2 x y\left(5 x y^{2}+3 x^{2} y^{3}\right)$$
4 step solution
Problem 1
Find each product. $$\left(4 x^{3}\right)(9 x)$$
4 step solution
Problem 1
Determine the degree of the given polynomials. $$7 x y+6 y$$
3 step solution
Problem 2
Solve each equation. You will need to use the factoring techniques that we discussed throughout this chapter. $$x^{2}+7 x+10=0$$
6 step solution
Problem 2
Factor completely each of the polynomials and indicate any that are not factorable using integers. $$x^{2}+11 x+24$$
4 step solution
Problem 2
Use the difference-of-squares pattern to factor each of the following. $$x^{2}-9$$
4 step solution
Problem 2
Classify each number as prime or composite. $$81$$
6 step solution
Problem 2
Find each indicated product. Remember the shortcut for multiplying binomials and the other special patterns we discussed in this section. $$3 x^{2} y\left(6 y^{2}-5 x^{2} y^{4}\right)$$
3 step solution
Problem 2
Find each product. $$\left(6 x^{3}\right)\left(7 x^{2}\right)$$
4 step solution
Problem 2
Determine the degree of the given polynomials. $$-5 x^{2} y^{2}-6 x y^{2}+x$$
3 step solution
Problem 3
Solve each equation. You will need to use the factoring techniques that we discussed throughout this chapter. $$x^{2}+18 x+72=0$$
6 step solution
Problem 3
Factor completely each of the polynomials and indicate any that are not factorable using integers. $$x^{2}-11 x+28$$
4 step solution
Problem 3
Use the difference-of-squares pattern to factor each of the following. $$16 x^{2}-25$$
4 step solution
Problem 3
Classify each number as prime or composite. $$59$$
7 step solution
Problem 3
Find each indicated product. Remember the shortcut for multiplying binomials and the other special patterns we discussed in this section. $$-3 a^{2} b\left(4 a b^{2}-5 a^{3}\right)$$
5 step solution
Problem 3
Find each product. $$\left(-2 x^{2}\right)\left(6 x^{3}\right)$$
3 step solution
Problem 3
Determine the degree of the given polynomials. $$-x^{2} y+2 x y^{2}-x y$$
4 step solution
Problem 4
Solve each equation. You will need to use the factoring techniques that we discussed throughout this chapter. $$n^{2}+20 n+91=0$$
5 step solution
Problem 4
Factor completely each of the polynomials and indicate any that are not factorable using integers. $$x^{2}-8 x+12$$
7 step solution
Problem 4
Use the difference-of-squares pattern to factor each of the following. $$4 x^{2}-49$$
4 step solution
Problem 4
Classify each number as prime or composite. $$83$$
7 step solution
Problem 4
Find each indicated product. Remember the shortcut for multiplying binomials and the other special patterns we discussed in this section. $$-7 a b^{2}\left(2 b^{3}-3 a^{2}\right)$$
4 step solution
Problem 4
Find each product. $$(2 x y)\left(-4 x^{2} y\right)$$
4 step solution
Problem 4
Determine the degree of the given polynomials. $$5 x^{3} y^{2}-6 x^{3} y^{3}$$
3 step solution
Problem 5
Solve each equation. You will need to use the factoring techniques that we discussed throughout this chapter. $$n^{2}-13 n+36=0$$
4 step solution
Problem 5
Factor completely each of the polynomials and indicate any that are not factorable using integers. $$a^{2}+5 a-36$$
7 step solution
Problem 5
Use the difference-of-squares pattern to factor each of the following. $$9 x^{2}-25 y^{2}$$
4 step solution
Problem 5
Classify each number as prime or composite. $$51$$
4 step solution
Problem 5
Find each indicated product. Remember the shortcut for multiplying binomials and the other special patterns we discussed in this section. $$8 a^{3} b^{4}\left(3 a b-2 a b^{2}+4 a^{2} b^{2}\right)$$
4 step solution
Problem 5
Find each product. $$\left(-a^{2} b\right)\left(-4 a b^{3}\right)$$
4 step solution
Problem 5
Determine the degree of the given polynomials. $$5 x^{2}-7 x-2$$
4 step solution
Problem 6
Solve each equation. You will need to use the factoring techniques that we discussed throughout this chapter. $$n^{2}-10 n+16=0$$
6 step solution
Problem 6
Factor completely each of the polynomials and indicate any that are not factorable using integers. $$a^{2}+6 a-40$$
5 step solution
Problem 6
Use the difference-of-squares pattern to factor each of the following. $$x^{2}-64 y^{2}$$
3 step solution
Problem 6
Classify each number as prime or composite. $$69$$
4 step solution
Problem 6
Find each indicated product. Remember the shortcut for multiplying binomials and the other special patterns we discussed in this section. $$9 a^{3} b(2 a-3 b+7 a b)$$
6 step solution
Problem 6
Find each product. $$\left(-8 a^{2} b^{2}\right)\left(-3 a b^{3}\right)$$
5 step solution
Problem 6
Determine the degree of the given polynomials. $$7 x^{3}-2 x+4$$
3 step solution
Problem 7
Solve each equation. You will need to use the factoring techniques that we discussed throughout this chapter. $$x^{2}+4 x-12=0$$
8 step solution
Problem 7
Factor completely each of the polynomials and indicate any that are not factorable using integers. $$y^{2}+20 y+84$$
5 step solution
Problem 7
Use the difference-of-squares pattern to factor each of the following. $$25 x^{2} y^{2}-36$$
5 step solution
Problem 7
Classify each number as prime or composite. $$91$$
5 step solution
Problem 7
Find each indicated product. Remember the shortcut for multiplying binomials and the other special patterns we discussed in this section. $$-x^{2} y\left(6 x y^{2}+3 x^{2} y^{3}-x^{3} y\right)$$
3 step solution
Problem 7
Find each product. $$\left(x^{2} y z^{2}\right)\left(-3 x y z^{4}\right)$$
5 step solution
Problem 7
Determine the degree of the given polynomials. $$8 x^{6}+9$$
3 step solution
Problem 8
Solve each equation. You will need to use the factoring techniques that we discussed throughout this chapter. $$x^{2}+7 x-30=0$$
5 step solution