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jekas [21]
4 years ago
5

Which of the equations is graphed below?

Mathematics
2 answers:
Nataly [62]4 years ago
4 0
Ok so the equation for a quadratic is:

y = a(x - h)^2 + k

No answer choices have a number in front of the x so a is 1.

Also we know b is already out because if there was a negative in front of the x, the graph would be facing down.

anyways (h ,k) is the vertex and we know the vertex is (3,1) so let's plug in and solve.

y = a(x - h)^2 + k
y = 1(x - 3)^2 + 1
y= (x-3)(x-3) + 1
y = x^2 -6x + 9 + 1
y = x^2 - 6x + 10

This means the answer is A.

hope this helps C:
gladu [14]4 years ago
3 0
The right answer is <span>y = x^<span>2 </span>+ 6x + 10 is the answer 100% postive</span>
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163.89 to the hundreds place
saw5 [17]
Answer: 200

Explanation: 348
                     / | \
        Hundred |  \
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163.89 + 36.11  = 200
163.89 - 63.89  = 100
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What is the lowest number (Not including +/- sign before it)

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4 years ago
Given the function f(x) = 3|x – 2| + 6, for what values of x is f(x) = 18?
Gwar [14]

Answer:

x = - 2, x = 6

Step-by-step explanation:

Given f(x) = 18 we require to solve

3 | x - 2 | + 6 = 18 ( subtract 6 from both sides )

3 | x - 2 | = 12 ( divide both sides by 3 )

| x - 2 | = 4

The absolute value function always returns a positive value, however, the expression inside can be positive or negative, thus

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OR

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As a check substitute these values into the left side of the equation and if equal to the right side then they are the solutions

x = 6 → 3|6 - 2| + 6 = 3|4| + 6 = 3(4) + 6 = 12 + 6 = 18 ← True

x = - 2 → 3|- 2 - 2| + 6 = 3|-4| + 6 = 3(4) + 6 = 12 + 6 = 18 ← True

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7 0
3 years ago
Read 2 more answers
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