Answer:
Step-by-step explanation:
Find the abslute value
2 answers:
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9514 1404 393
Answer:
58. 2 real roots; see attached for a graph
59. -6, 3
Step-by-step explanation:
58. A graphing calculator graphs this easily. The graph is shown in the attachment. There are 2 x-intercepts, hence 2 real roots.
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59. The x-intercepts are (-6, 0) and (3, 0), so the x-values x=-6 and x=3 satisfy the equation y = 0.
Answer:
(0,0) and r=3
Step-by-step explanation:
To find the radius and center rewrite the equation in vertex form .
First move x and y to the other side so they have positive signs. Then move 9 across to the other side too.
Here you can see there is no h or k meaning h=0 and k=0. The radius is the square root of 9 which is 3.