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Magazine Problem 33
Now let's move on to factorizations that may require two or more techniques. In Exercises \(17-80,\) factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$-2 y^{2}+2 y+112$$
Problem 33
Use factoring to solve quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\)-intercepts. \(2 x^{2}=7 x+4\)
Problem 33
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$y^{2}-7 y+5$$
Problem 33
In Exercises \(27-44,\) factor completely, or state that the polynomial is prime. $$3 x^{3}+27 x$$
Problem 33
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. $$12 y^{2}+16 y-8$$
Problem 33
Use the method of your choice to factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$5 x^{2}+2 x+9$$
Problem 34
Now let's move on to factorizations that may require two or more techniques. In Exercises \(17-80,\) factor completely, or state that the polynomial is prime. Check factorizations using multiplication or a graphing utility. $$-6 x^{2}+6 x+12$$
Problem 34
Factor each trinomial, or state that the trinomial is prime. Check each factorization using FOIL multiplication. $$y^{2}-15 y+5$$
Problem 34
Use factoring to solve quadratic equation. Check by substitution or by using a graphing utility and identifying \(x\)-intercepts. \(3 x^{2}=x+4\)
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. $$3 x^{2}-5 x+1$$
