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Grace [21]
3 years ago
7

Worth 21 points and giving brianliest!!!! Please help ASAP

Mathematics
1 answer:
Schach [20]3 years ago
5 0

Answer:

Step 3

Step-by-step explanation:

This is the right one because you are adding two thing in step two which lead to step 3

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Can you help me im not that good at math and its a clear photo<br><br> y =___x^2+__x+______
geniusboy [140]
  • Vertex/General Form: y = a(x - h)^2 + k, with (h,k) as the vertex
  • (x + y)^2 = x^2 + 2xy + y^2
  • Standard Form: y = ax^2 + bx + c

So before I put the equation into standard form, I'm first going to be putting it into vertex form. Since the vertex appears to be (-1,7), plug that into the vertex form formula:

y=a(x-(-1))^2+7\\y=a(x+1)^2+7

Next, we need to solve for a. Looking at this graph, another point that is in this line is the y-intercept (0,5). Plug (0,5) into the x and y placeholders and solve for a as such:

5=a(0+1)^2+7\\5=a(1)^2+7\\5=a+7\\-2=a

Now we know that <u>our vertex form equation is y = -2(x + 1)^2 + 7.</u>

However, we need to convert this into standard form still, and we can do it as such:

Firstly, solve the exponent: y = -2(x^2+2x+1) + 7

Next, foil -2(x^2+2x+1): y = -2x^2-4x-2+7

Next, combine like terms and <u>your final answer will be: y = -2x^2-4x+5</u>

3 0
3 years ago
Graph the solution to y&lt; = 1/5x+2
faust18 [17]

Answer:

FDFDD

Step-by-step explanation:

5 0
3 years ago
Please help me please it is hard
Arturiano [62]
Which one first show me your problem
3 0
3 years ago
Read 2 more answers
I NEED HELP SUPER BAD!!!!!!
Katarina [22]
There is no solution because the two lines don't intersect.
4 0
3 years ago
Solve the following inequality: –1 + 6(–1 – 3x) &gt; –39 – 2x.    
insens350 [35]
<span>–1 + 6(–1 – 3x) > –39 – 2x. 
</span>-1-6-18x>-39-2x
-7-18x>-39-2x
-18x>-32-2x
-16x>-32
x<2


B. x<2
7 0
3 years ago
Read 2 more answers
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