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MrRissso [65]
3 years ago
14

What are the zeros of the quadratic function in the graph?

Mathematics
2 answers:
blagie [28]3 years ago
6 0

Answer:

C

Step-by-step explanation:

1. Define word "zeros"

zeros = x-intercepts

2. Find x-intercepts

(-2, 0) and (-4, 0)

x-intercepts = -2, -4 or -4, -2

ser-zykov [4K]3 years ago
6 0

Answer:

C) (-4,-2)

Step-by-step explanation:

The zeroes is where the function passes through 0, and in this graph it passes through (0,-4) and (0,-2)

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Grant spent 2.50,$4.00,$4.25, and $3.25?On breakfast one week.The next week he spent $6 more in total for the 4 breakfasts than
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We have been given that Grant spent $2.50, $4.00, $4.25, and $3.25 on breakfast in one week. The next week he spent $6 more in total for the 4 breakfasts than the week before. We are asked to find increase in the mean of second week.  

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3 years ago
Find the approximate solution(s) to each of the following equations graphically. Use technology to support your
ser-zykov [4K]

Answer: x" = 5.69

Step-by-step explanation:

The graphic solution is attached.

Verifying the solution:

Existence condition: x > 0

2x - 4 = √x + 5

√x =2x - 4 - 5

√x =2x - 9 (²)

x = (2x - 9)²

x = 4x² - 36x + 81

4x² - 36x - x + 81 = 0

4x² - 37x + 81 = 0

Δ = -37² - 4.4.81 = 1369 - 1296 = 73

x = 37 ±√73/8                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

x' = 3.55

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checking:

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2*5.69 - 4 = 7.39

√5.69 + 5 = 7.39 ∴ it's the only solution

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