solve by completing the square.
$y = x^2 + 4x - 7$
$0 = x^2 + 4x - 7$
what is the next step?

subtract 4 from both sides
add 7 to both sides.

Question

solve by completing the square.
$y = x^2 + 4x - 7$
$0 = x^2 + 4x - 7$
what is the next step?

subtract 4 from both sides
add 7 to both sides.

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Completing the Square" ], "new_concepts": [], "current_concepts": [ "Completing the Square", "Solving Quadratic Equations" ] } ## Isolate the variable terms Using the *Completing the Square* knowledge point $$ \begin{aligned} 0 &= x^2 + 4x - 7 \ 7 &= x^2 + 4x \end{aligned} $$ To isolate the $x^2 + 4x$ terms, we add $7$ to both sides of the equation.

Subtract 4 from both sides

Add 7 to both sides.

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Completing the Square" ] }

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QUESTION IMAGE

Question

Explanation:

Isolate the variable terms

Answer: