1.Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation.

(x-7)(x+3)>0

Use the inequality in the form f(x)>0, to write the intervals determined by the boundary points as they appear from left to right on a number line.

Interval Sign (positive or negative)

1.____ ____

2.____ _____

3.____ _____

(Simplify your answers. Type your answers in interval notation. Type exactanswers, using radicals as needed. Use integers or fractions for any numbers in theexpressions.)

2.Solve the inequality. What is the solutionset? fill in the answer box to complete your choice.

Solutionset______.

(Simplify your answer. Type your answer in interval notation. Type an exactanswer, using radicals as needed. Use integers or fractions for any numbers in theexpression.)

Solve the polynomial inequality and graph the solution set on a real number line. Express the solution set in interval notation.

5x^2+18x8<0

Use the inequality in the form f(x)<0, to write the intervals determined by the boundary points as they appear from left to right on a number line.

Interval Sign (positive or negative)

1.____ ____

2.____ _____

3.____ _____

(Simplify your answers. Type your answers in interval notation. Type exactanswers, using radicals as needed. Use integers or fractions for any numbers in theexpressions.)

Solve the inequality. What is the solutionset? fill in the answer box to complete your choice.

Solutionset______.

(Simplify your answer. Type your answer in interval notation. Type an exactanswer, using radicals as needed. Use integers or fractions for any numbers in theexpression.)