 2x x 2 22 name one particular solution to question 20. Diagrams are not accurately drawn unless otherwise indicated. ### You must show all your working out. Solving quadratic inequalities worksheet with answers pdf. To solve ax 2 bx c 0 or ax bx c 0 graph y ax bx cand identify the x values for which the graph lies below or on and below the x axis. Example 1 solve the inequality x2 x 2. Find the roots of the corresponding quadratic equation.

Create your own worksheets like this one with infinite algebra 1. Move all terms to one side. Solve 2×2 6x 20 o.

Elementary algebra skill solving quadratic equations by factoring solve each equation by factoring. And best of all they all well most come with answers. 1 x2 x 20 0 2 x2 3x 54 0 3 2x 25x 14 0 4 2x 4x 30 0 5 23×2 6x 9 0 6 2x.

Use the roots to divide the number line into regions. Solving quadratic inequalities algebraically worksheet name solve the following quadratic inequalities algebraically. Page 1 of 2 5 7 graphing and solving quadratic inequalities 301 quadratic inequalities in one variable one way to solve a is to use a graph.

To solve ax 2 bx c 0 or ax bx c 0 graph y ax bx cand identify the x values for which the. 1 m2 5m 14 0 2 b2 4b 4 0 3 2m2 2m 12 0 4 2×2 3x 5 0. Answer key solving quadratic inequalities l3s1 solve each quadratic inequality.

21 write an inequality with x on both sides whose solution is x 2 many answers. Solve the quadratic inequality. An object is launched directly upward at 64 feet per second from a platform 80 feet.

1 x2 9x 18 0 2 x2 5x 4 0 3 n2 64 0 4 b2 5b 0 5 35n2 22n 3 0 6 15b2 4b 4 0 7 7p2 38p 24 0 8 3×2 14x 49 0 9 3k2 18k 21 0 10 6k2 42k 72 0 11 x2 11x 28 12 k2 15k 56. Simplify and factor the quadratic expression. Solving quadratic inequalities 1.

Test each region using theinequality. Solution x2 x 2 2x x 2 0. An object is launched at 4 9 meters per second from a 58 8 meter tall platform.

Solve the quadratic inequality. 4 7 2 create your own worksheets like this one with infinite algebra 2. Answer all questions.

Instructions use black ink or ball point pen. Answer the questions in the spaces provided there may be more space than you need. B there are 2 answers.

When does the object hit the ground. Any number greater than zero. Worksheets with answers whether you want a homework some cover work or a lovely bit of extra practise this is the place for you.

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