Diego solved the following quadratic 3n +2n=-5 using the quadratic formula with the following steps below: Step I- Set the quadratic equal to 0. 3n + 2n =-5 +5 +5 3n +2n+5=0 -2+ j(2)° – 4(3)(5) 2(3) 211-60 Step 2 - Plugged the quadratic into the quadratie formula Step 3 - Simplified 6. Step 4 - Simplified the radical 2+ 4i/14 Step 5 - Simplified -1+ 2i/14 3. What mistake, if any, did Diego make in solving the quadratic?
Diego solved the following quadratic 3n +2n=-5 using the quadratic formula with the following steps below: Step I- Set the quadratic equal to 0. 3n + 2n =-5 +5 +5 3n +2n+5=0 -2+ j(2)° – 4(3)(5) 2(3) 211-60 Step 2 - Plugged the quadratic into the quadratie formula Step 3 - Simplified 6. Step 4 - Simplified the radical 2+ 4i/14 Step 5 - Simplified -1+ 2i/14 3. What mistake, if any, did Diego make in solving the quadratic?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.6: Solving Problems Involving Quadratic Equations
Problem 1ST
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Transcribed Image Text:Diego solved the following quadratic 3n +2n=-5
using the quadratic formula with the following steps below:
Step I- Set the quadratic equal to 0.
3n +2n -5
+5 +5
3n +2n+5=0
Step 2 - Plugged the quadratic into the
quadratic formula
-2+ (2) - 4(3)(5)
V.
2(3)
Step 3 - Simplified
-21y1-60
6.
Step 4 - Simplified the radical
2+ 4i/14
Step 5 - Simplified
-1+ 2i14
3.
What mistake, if any, did Diego make in solving the quadratie?
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