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Algebra I (2018 edition)

Course: Algebra I (2018 edition) > Unit 16

Lesson 3: Solving quadratics by taking square roots
Math
Algebra I (2018 edition)
Quadratics
Solving quadratics by taking square roots
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Quadratics by taking square roots: strategy

Google Classroom

Problem

Pam solved a quadratic equation. Her work is shown below.
In which step did Pam make an error?
(x+2)2=16x+2=4Step 1x=2Step 2\begin{aligned} (x+2)^2&=16 \\\\ x+2&=4&\text{Step }1 \\\\ x&=2&\text{Step }2 \end{aligned}
Choose 1 answer:
Stuck?
Stuck?