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Chapter 6: Problem 48
Simplify each algebraic expression. \(3(4 x-5)\)
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Solve the equations in Exercises 53-72 using the quadratic formula. \(x^{2}+8 x+15=0\)
Determine whether each statement makes sense or does not make sense, and explain your reasoning. I solved \(-2 x+5 \geq 13\) and concluded that \(-4\) is the greatest integer in the solution set.
In Exercises 33-36, solve each equation using the zero-product principle. \(x^{2}+8 x+15=0\)
Solve each equation using the zero-product principle. \((x+9)(3 x-1)=0\)
Factor the trinomials , or state that the trinomial is prime. Check your factorization using FOIL multiplication. \(x^{2}-9 x+81\)
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