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algol [13]
3 years ago
14

Determine algebraically all points where the graphs of XY equal 10 and Y equals X +3 intersect

Mathematics
1 answer:
Gelneren [198K]3 years ago
6 0
XY=10
Y=X+3
X(X+3)=10
X^2+3X=10
X^2+3X-10
(X-2)(X+5)
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8 0
1 year ago
What is 4 - ( -h ) = 68?
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timama [110]

Given:

The vertex of a quadratic function is (4,-7).

To find:

The equation of the quadratic function.

Solution:

The vertex form of a quadratic function is:

y=a(x-h)^2+k          ...(i)

Where a is a constant and (h,k) is vertex.

The vertex is at point (4,-7).

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y=a(x-4)^2+(-7)

y=a(x-4)^2-7

The required equation of the quadratic function is y=a(x-4)^2-7 where, a is a constant.

Putting a=1, we get

y=(1)(x-4)^2-7

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y=x^2-8x+9

Therefore, the required quadratic function is y=x^2-8x+9.

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2 years ago
your class sponsors a benefit concert and the tickets at $8 each.Jordan sells 12 tickets,Andy 16,Morgan 17,and Pat 13.Compute th
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