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maximum
Score
817
Membership
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Questions
253
Answers
81
256 Questions
110 Answers
0
39
0
+817
help plz
Find the vertex of the graph of the equation $x - y^2 + 8y = 13 + 2y + y^2 - 7y - 14$.
maximum
Nov 21, 2023
0
54
0
+817
how to find vertex
Find the vertex of the graph of the equation y = -2x^2 + 8x + 15 - 3x^2 + 7x - 25
maximum
Nov 21, 2023
0
53
0
+817
area of a circle
Find the area of the region enclosed by the graph of $x^2 + y^2 = 2x - 6y + 6 + 14x - 16y + 80$.
maximum
Nov 21, 2023
0
28
0
+817
help algebra
The graph of $y = ax^2 + bx + c$ has an axis of symmetry of $x = -1.$ If $a = 2,$ then find $b.$
maximum
Nov 21, 2023
0
42
0
+817
parabola
Graph a parabola with axis of symmetry $x = 3,$ an $x$-intercept at $x = -8,$ and $y$-intercept $5.$
maximum
Nov 21, 2023
0
34
1
+817
quadratic
Let c be a real number, and consider the system of quadratic equations
y = x^2 - 9x + c,
y = 8x^2 - 13x.
For which values of c does this system have:
(a) Exactly one real solution (x,y)?
(b) More than one real solution?
(c)
read more ..
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maximum
Nov 20, 2023
0
33
1
+817
help with algebra
Simplify the expression
\frac{1}{\sqrt{36}} - \sqrt{27} - \frac{1}{\sqrt{27}} - \sqrt{18} + \frac{1}{\sqrt{18}} - \sqrt{9}
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maximum
Nov 11, 2023
0
27
1
+817
complex numbers
Compute (1 + i)/(2 - i)(3 + i).
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maximum
Nov 11, 2023
0
49
2
+817
plz help
The real numbers $a$ and $b$ satisfy $a - b = 1$ and $a^3 - b^3 = 1.$
(a) Find all possible values of $ab.$
(b) Find all possible values of $a + b.$
(c) Find all possible values of $a$ and $b.$
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maximum
Nov 11, 2023
0
63
0
+817
help with roots
Let $a$ and $b$ be the roots of the quadratic $2x^2 - 8x + 7 = -3x^2 + 5x + 11.$ Compute $a^3/b^2 + b^3/a^2.$
maximum
Nov 11, 2023
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