One way to locate the vertex is to obtain the coefficients a, b and c from the quadratic and then calculate
-(-16)
x = -b / (2a). Here, x = ---------- = -2
2(-4)
Next, evaluate y at x = -2: y = -4(-2)^2 - 16(-2) - 12 = -16 + 32 - 12
y = 4
the vertex is at (-2,4).
Answer:
$700
Step-by-step explanation:
Step-by-step explanation:
The area of the circle is 50.24 square units. To get the area of the circle you have to multiply π × r². When doing the conversion it would be Area = 3.14 × 4 × 4 = 50.24
The expression can be used to determine the final cost of the cards will be 1.08 (0.87) y. Then the correct option is B.
<h3>What is the percentage?</h3>
The quantity of anything is stated as though it were a fraction of a hundred.
Jason purchased a pack of game cards that were on sale for 13% off.
The sales tax in his county is 8%.
Let y represent the original price of the cards.
Then the expression can be used to determine the final cost of the cards will be
⇒ y (1 - 0.13) (1 + 0.08)
⇒ y (0.87) (1.08)
⇒ 1.08 (0.87) y
Then the correct option is B.
More about the percentage link is given below.
brainly.com/question/8011401
#SPJ1
Answer:
It has two congruent angles because if they do have two congruent angles, then they are called and isosceles triangle. Hope this helps and if it did, please mark as brainliest.
