3 years ago

Which polynomial is in standard form?

Mathematics

2 answers:

Neko [114]3 years ago

8 0

Answer:

D 2x^3+4x^2-7x+5

Step-by-step explanation:

I just took the test

Dafna11 [192]3 years ago

6 0

The fourth one is in standard form

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Snezhnost [94]

Step-by-step explanation:

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5 0

4 years ago

Subtract- a(b-5) from b(5-a)

TiliK225 [7]

Answer:

5b - 5a

Step-by-step explanation:

b(5 - a) = 5b - ab

- a(b - 5) = - ab + 5a

Subtracting gives

5b - ab - (- ab + 5a) ← distribute parenthesis by - 1

= 5b - ab + ab - 5a ← collect like terms

= 5b - 5a

3 0

3 years ago

Graph y=(x+2)^2-3 <br> Show Vertex

nikklg [1K]

$\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------\\\\
y=(x+2)^2-3\implies y=\stackrel{a}{1}[x-\stackrel{h}{(-2)}]^2\stackrel{k}{-3}\quad 
\begin{cases}
h=-2\\
k=-3
\end{cases}$