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soldi70 [24.7K]
3 years ago
7

Convert the quadratic equation y=−4(x−3)(2x+4) from factored form to standard form.

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
4 0

Answer:

y = -8x² + 8x + 48

Step-by-step explanation:

y= −4(x−3)(2x+4)

y = -8x² + 8x + 48

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5(2x + 6) + 4(4x + 6) + 2 = 26x + 57<br> What’s the answer
Rama09 [41]

Answer:

No solution

Step-by-step explanation:

10x + 30 +16 x +24 = 26 x + 57

26x + 56 = 26x + 57

56 ≠ 57

3 0
3 years ago
Read 2 more answers
Find a number n when decreased by 9 equals 17
stira [4]

Answer:

26-9=17           26 is the answer

Step-by-step explanation:

7 0
3 years ago
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Quadrilateral ABCD is a kite. If AD=AB, find AD<br><br> A. 5/3<br> B. 7<br> C. 5/7<br> D. 22
ICE Princess25 [194]
AD = AB

AD = 2r+8
AB = 5r-13

we need to find the value of r to find the total length

so 2r+8 = 5r-13
subtract 2r from each side:
8 = 3r -13
add 13 to each side:
21 = 3r
divide both sides by 3
r = 21 / 3 = 7
r=7
 now we know r, so replace r with 7 in the equation for AD

AD = 2r+8 = 2(7) +8 = 14 +8 = 22

 the answer is D. 22


5 0
3 years ago
What is the range of the function f(x) = 3x2 + 6x – 8?
oee [108]

f(x) is a quadratic equation with the x-side squared and a is positive which means that the graph of the function is a parabola facing up. The range of f(x) is given by {y|y ≥ k}, where k is the y-coordinate of the vertex.

, written in vertex form is

, where (h, k) = (-1, -11)

Therefore, range ={y|y ≥ -11}

3 0
3 years ago
What is the missing numerator of 4/9= ?/81
yKpoI14uk [10]
To solve this question, first cross multiply
Let ? = x

4/9 = x/81

4(81) = 9(x)

Simplify.

81 x 4 = 324

324 = 9x

Isolate the x, divide 9 from both sides

324/9 = 9x/9

x = 324/9

x = 36


4/9 = 36/81

36 is your answer

hope this helps!
4 0
3 years ago
Read 2 more answers
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