Meredith solved a quadratic equation. Her work is shown below.
1 answer:
Answer:
Step 2
Step-by-step explanation:
Meredith made a fatal mistake or error in step 2;
Any quadratic problem will always have two solutions. Therefore since, we only have one solution here, it is wrong. The mistake was incurred in step 2;
From the given problem ;
<u> Wrong right </u>
2(x + 4)² = 242
(x + 4)² = 121 Step 1
x+4=11 Step 2 x + 4 = ± 11
x = 7 Step 3 x + 4 = 11 or x + 4 = -11
x = 11- 4 or x = -11 - 4
x = 7 or -15
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I think its the... second.... please correct me if im wrong :(
Answer:
-4/5
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Z = k * x 55 = k * 5 divide both sides by 5 11 = xz = 11x z = 11 * 12 z = 132
Answer:
k = 5
Step-by-step explanation:
y = kx
15 = k(3)
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Answer:
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