Chapter 6
Introductory Algebra for College Students · 696 exercises
Problem 34
Now let's move on to factorizations that may require two or more techniques. Factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$-6 x^{2}+6 x+12$$
5 step solution
Problem 34
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$15 y^{2}-3 y+9$$
3 step solution
Problem 34
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$3 x^{2}-5 x+1$$
6 step solution
Problem 35
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. \(x^{2}+7 x y+6 y^{2}\)
3 step solution
Problem 35
Use factoring to solve each quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\) -intercepts. $$5 x^{2}=18-x$$
3 step solution
Problem 35
Factor completely, or state that the polynomial is prime. $$18-2 y^{2}$$
4 step solution
Problem 35
Now let's move on to factorizations that may require two or more techniques. Factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$7 y^{4}+14 y^{3}+7 y^{2}$$
4 step solution
Problem 35
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$9 x^{4}+18 x^{3}+6 x^{2}$$
3 step solution
Problem 35
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$10 y^{2}+43 y-9$$
3 step solution
Problem 36
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. \(x^{2}+6 x y+8 y^{2}\)
3 step solution
Problem 36
Use factoring to solve each quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\) -intercepts. $$3 x^{2}=15+4 x$$
4 step solution
Problem 36
Factor completely, or state that the polynomial is prime. $$32-2 y^{2}$$
3 step solution
Problem 36
Now let's move on to factorizations that may require two or more techniques. Factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$2 y^{4}+28 y^{3}+98 y^{2}$$
4 step solution
Problem 36
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$32 x^{4}+2 x^{3}+8 x^{2}$$
3 step solution
Problem 36
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$16 y^{2}-46 y+15$$
5 step solution
Problem 37
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. \(x^{2}-8 x y+15 y^{2}\)
3 step solution
Problem 37
Use factoring to solve each quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\) -intercepts. $$x^{2}-49=0$$
3 step solution
Problem 37
Factor completely, or state that the polynomial is prime. $$3 y^{3}-48 y$$
3 step solution
Problem 37
Now let's move on to factorizations that may require two or more techniques. Factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$y^{2}+8 y-16$$
3 step solution
Problem 37
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$100 y^{5}-50 y^{3}+100 y^{2}$$
3 step solution
Problem 37
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$8 x^{2}-2 x-1$$
3 step solution
Problem 38
Now let's move on to factorizations that may require two or more techniques. Factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$y^{2}-18 y-81$$
4 step solution
Problem 38
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. \(x^{2}-9 x y+14 y^{2}\)
3 step solution
Problem 38
Use factoring to solve each quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\) -intercepts. $$x^{2}-25=0$$
3 step solution
Problem 38
Factor completely, or state that the polynomial is prime. $$3 y^{3}-75 y$$
4 step solution
Problem 38
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$26 y^{5}-13 y^{3}+39 y^{2}$$
3 step solution
Problem 38
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$8 x^{2}-22 x+5$$
3 step solution
Problem 39
Now let's move on to factorizations that may require two or more techniques. Factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$16 y^{2}-4 y-2$$
4 step solution
Problem 39
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. \(x^{2}-3 x y-18 y^{2}\)
4 step solution
Problem 39
Use factoring to solve each quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\) -intercepts. $$4 x^{2}-25=0$$
4 step solution
Problem 39
Factor completely, or state that the polynomial is prime. $$18 x^{3}-2 x$$
3 step solution
Problem 39
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$10 x-20 x^{2}+5 x^{3}$$
3 step solution
Problem 39
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$9 y^{2}-9 y+2$$
2 step solution
Problem 40
Now let's move on to factorizations that may require two or more techniques. Factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$32 y^{2}+4 y-6$$
3 step solution
Problem 40
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. \(x^{2}-x y-30 y^{2}\)
4 step solution
Problem 40
Use factoring to solve each quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\) -intercepts. $$9 x^{2}-100=0$$
4 step solution
Problem 40
Factor completely, or state that the polynomial is prime. $$20 x^{3}-5 x$$
4 step solution
Problem 40
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$6 x-4 x^{2}+2 x^{3}$$
3 step solution
Problem 40
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$9 y^{2}+5 y-4$$
2 step solution
Problem 41
Now let's move on to factorizations that may require two or more techniques. Factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$r^{2}-25 r$$
3 step solution
Problem 41
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$a^{2}-18 a b+45 b^{2}$$
6 step solution
Problem 41
Use factoring to solve each quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\) -intercepts. $$81 x^{2}=25$$
4 step solution
Problem 41
Factor completely, or state that the polynomial is prime. $$-3 x^{2}+75$$
2 step solution
Problem 41
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$11 x^{2}-23$$
2 step solution
Problem 41
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$20 x^{2}+27 x-8$$
3 step solution
Problem 42
Now let's move on to factorizations that may require two or more techniques. Factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$3 r^{2}-27 r$$
3 step solution
Problem 42
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$a^{2}-18 a b+80 b^{2}$$
3 step solution
Problem 42
Use factoring to solve each quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\) -intercepts. $$25 x^{2}=49$$
3 step solution
Problem 42
Factor completely, or state that the polynomial is prime. $$-4 x^{2}+4$$
4 step solution
Problem 42
Factor each polynomial using the greatest common factor. If there is no common factor other than 1 and the polynomial cannot be factored, so state. $$12 x^{2}-25$$
3 step solution