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motikmotik
2 years ago
13

What are the solutions to the equation y² + 16 = 212?

Mathematics
2 answers:
Levart [38]2 years ago
6 0
Y² + 16 = 212 
<span>y</span>² <span>= 196 </span>
<span>y = -14 and 14</span>
anyanavicka [17]2 years ago
4 0
y^2 + 16 = 212\\&#10;y^2=196\\&#10;y=-14 \vee y=14
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Determine whether f(x) = –5x^2 – 10x + 6 has a maximum or a minimum value.
Blizzard [7]

First,

We are dealing with parabola since the equation has a form of,

y=ax^2+bx+c

Here the vertex of an up - down facing parabola has a form of,

x_v=-\dfrac{b}{2a}

The parameters we have are,

a=-5,b=-10, c=6

Plug them in vertex formula,

x_v=-\dfrac{-10}{2(-5)}=-1

Plug in the x_v into the equation,

y_v=-5(-1)^2-10(-1)+6=11

We now got a point parabola vertex with coordinates,

(x_v, y_v)\Longrightarrow(-1,11)

From here we emerge two rules:

  • If a then vertex is max value
  • If a>0 then vertex is min value

So our vertex is minimum value since,

a=-5\Longleftrightarrow a

Hope this helps.

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3 years ago
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3 years ago
How many terms are in the algebraic expression "962 +6"?
Mademuasel [1]

Answer: There are 4 terms in the Algebraic expression.

8 0
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arlik [135]

Answer:

(6, 5) is the answer.

Step-by-step explanation:

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3 years ago
The sum of the interior angles
klio [65]

Answer:

19 sides

Step-by-step explanation:

Sum of angles of n-side polygon = 180 *(n - 2)

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Divide both sides by 180

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n = 17+2

n = 19

7 0
2 years ago
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