The graph of the function f(x) = –(x + 2)(x + 6)is shown below. Which statement about the function is true?
2 answers:
Answer:
See options below. No answer choice given.
Step-by-step explanation:
The graph of the function is below. What can be said about the function is the following:
- Roots are -2 and -6.
- Factors are (x+2) and (x+6)
- X-intercepts are (-2,0) and (-6,0)
- Y -intercept is (0,-12)
- Parabola is concave down due to negative leading coefficient
- Vertex is at (-4,4)
- Axis of Symmetry is x=-4
- Its a quadratic which has a parabola as its graph
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Answer: x = 20.
Step-by-step explanation:
x and (3x + 10) combine to form a right angle, shown in the diagram by the small square joining the perpendicular lines.
Right angles are 90 degrees, so you can add both angles to get 90: