Transcription of QUADRATIC WORD PROBLEMS
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QUADRATIC WORD PROBLEMS
1 ALGEBRA UNIT 10-SOLVING QUADRATIC EQUATIONS SOLVING QUADRATICS BY FACTORING (DAY 1) HOW TO SOLVE QUADRATIC EQUATIONS: Step 1: Write equation in Standard Form. Step 2: Factor the QUADRATIC equation. Step 3: After the problem has been factored we will complete a step called the T chart. Create a T separating the two ( ). Step 4: Once ( ) are separated, set each ( ) = to 0 and solve for the variable. Step 5: Check each of the roots in the ORIGINAL QUADRATIC equation. 1. Find the roots: 035r12r2 2. Solve for y: 024y11y2 3. Find the zeroes: 06x5x2 4.
by completing the square Completing the square and factoring are not always the best method to use when solving a quadratic as illustrated above. To remember formula sing/hum the phase below to the “pop goes the weasel song” “x =’s negative b, plus or minus the square root, of b2 minus 4 a c, all over 2 a”
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