2 years ago

Hey! Could someone help me with this question as quick as possible? Hope everyone is having a great day/night.

Mathematics

1 answer:

Setler [38]2 years ago

6 0

The y-intercept should be -3

You might be interested in

6) 0.5334 how do I show my work

Goshia [24]

Answer:

Step-by-step explanation if u know how to use standered algorithim just divide the same way you divided p.s the answer is 11.2485939258 .

3 0

3 years ago

Identify the vertex for the graph of y = 2x2 + 8x − 3. (2, 21) (2, 17) (−2, −11) (−2, −27)

Finger [1]

$\bf \textit{vertex of a vertical parabola, using coefficients}
\\\\
\begin{array}{lcccl}
y = & 2x^2& +8x& -3\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}
\qquad 
\left(-\cfrac{ b}{2 a}\quad ,\quad c-\cfrac{ b^2}{4 a}\right)
\\\\\\
\left( -\cfrac{8}{2(2)}~~,~~-3-\cfrac{8^2}{4(2)} \right)\implies \left( \cfrac{-8}{4}~~,~~-3-\cfrac{64}{8} \right)
\\\\\\
\left(-2~~,~~-3-8 \right)\implies (-2~~,~~-11)$