Register
Login
Username
Password
Login
forgot your password?
Home
Forum
+0
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Post New Question
All Questions
+0
235059 Questions
0
44
1
+1911
vertex
Find the vertex of the graph of the equation $x - y^2 + 8y = 13 + 2y + y^2 - 7y - 14$.
●
tomtom
Nov 25, 2023
0
49
0
+1911
vertex
Find the vertex of the graph of the equation y = -2x^2 + 8x + 15 - 3x^2 + 7x - 25
tomtom
Nov 25, 2023
0
41
0
+1911
circle
Find the area of the region enclosed by the graph of $x^2 + y^2 = 2x - 6y + 6 + 14x - 16y + 80$.
tomtom
Nov 25, 2023
0
46
0
+1911
help with parabola
The graph of $y = ax^2 + bx + c$ has an axis of symmetry of $x = -1.$ If $a = 2,$ then find $b.$
tomtom
Nov 25, 2023
0
36
0
+1911
need help
Graph a parabola with axis of symmetry $x = 3,$ an $x$-intercept at $x = -8,$ and $y$-intercept $5.$
tomtom
Nov 25, 2023
0
32
1
+1911
equation of circle
Find the coordinates of the center of the circle.
The points on the circle are (22,15), (-25,0), (22,-29).
●
tomtom
Nov 25, 2023
0
42
2
+28
plsss its due today, melody, cphil, pls help!
In how many ways can three pairs of siblings from different families be seated in two rows of three chairs, if siblings may not sit next to each other in the same row?
pls help me as quick as possible
●
●
Icebulb2
Nov 25, 2023
0
52
0
+1678
need help quick
Let $a$ and $b$ be real numbers, where $a < b$, and let $A = (a,a^2)$ and $B = (b,b^2)$. The line $\overline{AB}$ (meaning the unique line that contains the point $A$ and the point $B$) has $x$-intercept $(10,0)$ and $y$-intercept $(0,-2)$. Find
read more ..
wiseowl
Nov 25, 2023
0
49
0
+1678
intersection points
What are the coordinates of the points where the graphs of $f(x)=x^3 + x^2 - 3x + 5$ and $g(x)=x^4-7x^3+5x^2-18x+17$ intersect?
Give your answer as a list of points separated by commas, with the points ordered such that
read more ..
wiseowl
Nov 25, 2023
0
25
0
+1678
graph
The graph of $y=f(x)$ is shown below in red. Given that $f$ is invertible, find $f^{-1}(4)$. (Assume grid lines are spaced $1$ unit apart.)
wiseowl
Nov 25, 2023
0
27
0
+1678
help plz
The graph of $y = h(x)$ is shown in red below. Compute $h(h(7))$. (Assume grid lines are spaced $1$ unit apart.)
wiseowl
Nov 25, 2023
0
38
0
+1678
help with graphs
The graph of $y=f(x)$ is shown in red below. Assuming the graph consists of three line segments, what is $f(-2)$? (Assume grid lines are spaced $1$ unit apart.)
wiseowl
Nov 25, 2023
0
41
0
+1678
graphing question
The graph of $y=f(x)$ is shown in red below. For how many values of $c$ is $f(c) = -1$?
wiseowl
Nov 25, 2023
-1
24
0
+1352
triangle
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?
blackpanther
Nov 25, 2023
-1
44
0
+1352
quadrilateral
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 $DE$?
blackpanther
Nov 25, 2023
-1
44
0
+1352
help geometry
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 $BD$?
blackpanther
Nov 25, 2023
-1
47
0
+1352
square
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?
blackpanther
Nov 25, 2023
-1
44
0
+1352
help me
In the figure, angles $\angle ABC$ and $\angle AST$ are right angles. If $AC = 35,$ then what is $AS$?
blackpanther
Nov 25, 2023
-1
41
1
+1352
geometry
In the diagram below, we have $\overline{BC}\parallel\overline{DE}$ and $AE = 20$. Find $AC$.
●
blackpanther
Nov 25, 2023
-1
21
1
+1352
help geometry
In the diagram below, we have $\overline{AB}\parallel\overline{DE}$ and $BD = 24$. Find $CD$.
●
blackpanther
Nov 25, 2023
0
33
2
+28
Confusing problem
Find the number of positive integers that satisfy both the following conditions:
Each digit is a 1 or a 3
The sum of the digits is 12
●
●
Icebulb2
Nov 25, 2023
0
35
0
+1911
find
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 inequality.
<
read more ..
tomtom
Nov 25, 2023
0
30
0
+1911
solve
Solve the inequality $x^3 + 4x > 5x^2 + 2x - x^3 + 7x^2 - 36$. Write your answer in interval notation.
tomtom
Nov 25, 2023
«
latest
9401
9400
..
9051
9050
9049
9048
9047
..
2
1
»
Post New Question
2 Online Users
Top Users
+118659
Melody
moderator
+37107
ElectricPavlov
+33653
Alan
moderator
+14990
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2653
LiIIiam0216
+2489
GingerAle
+1911
tomtom
+1858
NotThatSmart
+1763
bader
Sticky Topics
Some guidelines for question askers.
What is Happening 5
Again a number puzzle. Multiply in writing.
Loads of fun printable number and logic puzzles
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
How to upload a picture.
If a question is ticked that does not mean you cannot continue it.
Should you consider anything before you answer a question?
Geometry Thread
PUZZLES
LaTex Coding
/calculator/bsh9ex1zxj
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.