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kirza4 [7]
3 years ago
10

Describe the transformation from the parent function y=(x+4)^2-1

Mathematics
1 answer:
Degger [83]3 years ago
3 0

Answer:

Translation 4 units to the left., followed by

a translation 1 unit down.

Step-by-step explanation:

The parent function is y = x^2 which is a parabola that opens upwards and has a vertex at the point (0,0).

Y = (x + 4)^2 is the graph of x^2 translated  4 units to the left.

The - 1 translates the graph down 1 unit.

So the vertex of the new graph is at (-4, 1).

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Answer:

For the average to be above 90, the marks in the fourth paper should be MORE THAN 92.

Step-by-step explanation:

The score of students in last 3 exams =  89 , 87 and 92

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The average of marks should be above 90.

Now, \textrm{The average of total marks}  = \frac{\textrm{Sum of all marks obtained in 4 papers}}{\textrm{ 4 papers }}

Sum of all 4 paper's marks =  89 + 87 + 92 + k = 268 + k

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Which expression is equivalent to 6(4(6x-4y)-5) ?
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<u>Step 1:  Distribute </u>

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<u>Step 2:  Distribute again </u>

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Answer:  144x - 96y - 30

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