solving quadreiacic equations, algebra homework help

2 sets of 5 and then homework

What is the first step in solving x² + 2x + 3 = 0 by completing the square?
O Divide both sides of the equation by 2.
Add 3 to each side of the equation.
Subtract 3 from each side of the equation.
Factor the left side.
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Question 2 (1 point)
Maria started to solve a quadratic equation by completing the square. Her first three steps are shown.
x? – 18x + 77 = 0
STEP 1: X
x- 18x = -77
STEP 2:
STEP 3: X2 – 18x+81 = -77 +81
Which answer shows STEP 4?
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(x-9)2 = 4
X
x2 –
– 18x=4
5
X2-9x=4
(x +9)? = 4
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Question 3 (1 point)
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Use the Quadratic Formula to solve 2 – 5x = – 3x?
5
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Which values can be used for the values of a b. and C?
o a= -3.b= -5.c=2
se
ponse
a = 3. b = -5 c=2
bg = –5 b=3. c = 2
a = 2 b=5&= -3
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Question 4 11
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Question 4 (1 point)
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Solve x2 + x + 5 = 0 using the Quadratic Formula.
4 5
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What is the solution set?
sponse
[1]
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2
Response
1 + 1 19
Quiz Status
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