Tabitha wants to hang a painting in a gallery. The painting and frame must have an area of 58 square feet. The painting is 7 fee
t wide by 8 feet long.
Which quadratic equation can be used to determine the thickness of the frame, x?
(See picture attached below)
Answer Choices:
A. x2 + 15x − 2 = 0
B. x2 + 15x + 58 = 0
C. 4x2 + 30x − 2 = 0
D. 4x2 + 30x + 58 = 0
Which quadratic equation can be used to determine the thickness of the frame, x?
(See picture attached below)
Answer Choices:
A. x2 + 15x − 2 = 0
B. x2 + 15x + 58 = 0
C. 4x2 + 30x − 2 = 0
D. 4x2 + 30x + 58 = 0
2 answers:
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Answer:
Step-by-step explanation:
Let f(x) be the 3rd degree polynomial function.
The roots of this function are:
x=-2, x=-1 and x=3.
The factored form is:
This equation passes through (2,12)
This implies that;
The polynomial function is