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All Questions
+0
235709 Questions
Nov 22, 2023
0
49
0
+1678
hyperbola
The equation of a hyperbola is
\[\frac{x^2}{a^2} - \frac{y^2}{b^2} = 1,\]
where $a > b > 0.$ The angle between the asymptotes is $45^\circ$ Find $\frac{a}{b}.$
wiseowl
Nov 22, 2023
0
40
0
+1678
ellipse
Below is the graph of an ellipse. (Assume that tick marks are placed every $1$ unit along the axes.) Compute the coordinates of the focus of the ellipse with the greater $x$-coordinate.
read more ..
wiseowl
Nov 22, 2023
0
60
0
+1678
ellipse
The equation of an ellipse is
\[\frac{x^2}{4} + y^2 = 1.\]
Let $C$ be a point that varies on this ellipse, and let $H$ be the orthocenter of triangle $ABC,$ where $A = (-4,0)$ and $B = (4,0).$ Then $H$ traces a closed curve as $C$ varies
read more ..
wiseowl
Nov 22, 2023
0
55
0
+1678
help with quadratic
Find all real values of $p$ such that
(x+1)(x-2p)
has a minimum value of 0 over all real values of $x$.
wiseowl
Nov 22, 2023
0
54
0
+1678
graphing question
Let $c$ be a real number. What is the maximum value of $c$ such that the graph of the parabola $y = -6x^2$ has at most one point of intersection with the line $y = 5x+c?$
wiseowl
Nov 22, 2023
0
57
0
+1678
maximum
Let $x$ and $y$ be real numbers. If $x^2 + 3y^2 = 18$, then find the maximum value of $x + y$.
wiseowl
Nov 22, 2023
0
29
0
+1678
minimum
Let $x$ and $y$ be nonnegative real numbers. If $x + y = 25$, then find the minimum value of $6x + 3y.$
wiseowl
Nov 22, 2023
0
32
1
+1678
algebra
If $t$ is a real number, what is the maximum possible value of the expression $-t^2 + 8t -4 +5t^2 - 4t + 18$?
●
wiseowl
Nov 22, 2023
0
57
0
+1678
help with quadratic
If $s$ is a real number, then what is the smallest possible value of $2s^2 - 8s + 19 - 7s^2 - 8s + 20$?
wiseowl
Nov 22, 2023
0
32
0
+1678
quadratic
What real value of $t$ produces the smallest value of the quadratic $t^2 -9t - 36 + 13t - 60$?
wiseowl
Nov 22, 2023
0
30
1
+36
Just checking
Let be the inradius of where . Find .
I got , can you guys check my answer?
Thanks!
●
JovenlyCosmo
Nov 22, 2023
0
63
0
+1364
plz help
In triangle $ABC,$ $D$ is on side $\overline {AB}.$ We know $\triangle ABC \sim \triangle ACD$. If $BC = BD,$ what is $\angle B$ in degrees?
sandwich
Nov 22, 2023
0
33
0
+1364
help geometry
In quadrilateral $BCED$, sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, respectively, to meet at point $A$. If $BD = 8$, $BC = 3$, $CE = 1$, $AC = 19$ and $AB = 13$, then what is $DE$?
sandwich
Nov 22, 2023
0
54
0
+1364
need help
In triangle $ABC$, points $D$ and $F$ are on $\overline{AB},$ and $E$ is on $\overline{AC}$ such that $\overline{DE}\parallel \overline{BC}$ and $\overline{EF}\parallel \overline{CD}$. If $CE =3$ and $DF = 3$, then what is $BD$?
sandwich
Nov 22, 2023
0
59
0
+1364
right triangles
Points $X$, $Y$, and $Z$ are on the sides $\overline{QR}$, $\overline{PR}$, and $\overline{PQ}$, respectively, of right triangle $PQR$ such that $PZXY$ is a square. If $PQ = 1$ and $PR = 1$, then what is the side length of the square?
sandwich
Nov 22, 2023
0
33
0
+1364
help geometry
In the figure, angles $\angle ABC$ and $\angle AST$ are right angles. If $AC = 35,$ then what is $AS$?
sandwich
Nov 22, 2023
0
24
1
+1364
help me
In the diagram below, we have $\overline{BC}\parallel\overline{DE}$ and $AE = 20$. Find $AC$.
●
sandwich
Nov 22, 2023
0
55
1
+1364
similar triangles
In the diagram below, we have $\overline{AB}\parallel\overline{DE}$ and $BD = 24$. Find $CD$.
●
sandwich
Nov 22, 2023
Nov 21, 2023
0
52
1
+1678
algebra
Find all real values of $x$ such that
\frac{x^2 + 2x + 5}{3x^2 - x - 4} + \frac{x^2 + 4x + 8}{x^2 - 4x - 5} \ge 0.
Note: Your solution should be thorough, and explain why all your values are the only values that satisfy the inequalit
read more ..
●
wiseowl
Nov 21, 2023
0
50
0
+1678
inequality
Solve the inequality $x^3 + 4x > 5x^2 + 2x - x^3 + 7x^2 - 36$. Write your answer in interval notation.
wiseowl
Nov 21, 2023
0
61
0
+1678
inequality
Solve the inequality x^3 + 4x > 5x^2 - 17x - x^4 + 3. Write your answer in interval notation.
wiseowl
Nov 21, 2023
0
37
0
+1678
quadratic inequality
For an integer $n$, the inequality
\[x^2 + nx + 15 < -21 - x^2 - 150 \]
has no real solutions in $x$. Find the number of different possible values of $n$.
wiseowl
Nov 21, 2023
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