Answers edited by Bill Jorgensen

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What is the domain and range of $f (x) = x - 11$ $f(x)=x-11$ ?
Graph the function and identify the domain and range? y=-0.25x^2
What is the vertex of $y = - 3 x^{2} + 2 x - 4$ $y= -3x^2 + 2x − 4$ ?
A function is defined by f(x), value given when f(-2)=9? Hence find f(x)=0?
How do you multiply and simplify $\frac{x^{2} - 7 x - 30}{x^{2} - 4 x - 21} \cdot \frac{14 - 2 x}{x^{2} - 19 x + 90}$ $\frac { x ^ { 2} - 7x - 30} { x ^ { 2} - 4x - 21} \cdot \frac { 14- 2x } { x ^ { 2} - 19x + 90}$ ?
What is the factored form of $x^{2} - 8 x + 12$ $x^2-8x+12$ ?
What is the vertex form of $y = 6 x^{2} + 14 x - 2$ $y=6x^2+14x-2$ ?
What are the important points needed to graph $y = 3 {(x + 1)}^{2} - 4$ $y = 3( x + 1 )^2 -4$ ?
What is the the vertex of $y = - 12 x^{2} - 4 x - 5$ $y = -12x^2 - 4x-5$ ?
How do you find the vertex of the parabola $y = x^{2} - 4 x$ $y = x^2 - 4x$ ?
Complete the square to write the equation "y=3x^2+6x-24" in graphing form?
How do you write $y = 2 x^{2} + 3 x - 5$ $y = 2x^2 + 3x − 5$ in vertex form and identify the vertex, y intercept and x intercept?
What are the asymptotes and removable discontinuities, if any, of $f (x) = \frac{2 x - e^{x}}{2 - e^{x}}$ $f(x)= (2x-e^x)/(2-e^x)$ ?
How do you find the slope that is perpendicular to the line $- 25 + 8 x = 5 y$ $-25 + 8x = 5y$ ?
What are the asymptotes and removable discontinuities, if any, of $f (x) = \frac{1}{8 x + 5} - x$ $f(x)=1/(8x+5)-x$ ?
How do you solve $10 = - 3 z - 8$ $10=-3z-8$ ?
How do you rationalize the denominator and simplify $\frac{1 + \sqrt{5}}{10 + 4 \sqrt{15}}$ $(1+sqrt5)/(10+4sqrt15)$ ?
What is the history of FOIL? and why does it seem to be emphasized over more general methods of multiplication (like use of the distributive property or tabular multiplication)?
How do you add $\frac{4}{(x + 3) (x + 2)} + \frac{16}{(x + 2) (x - 2)}$ $\frac { 4} { ( x + 3) ( x + 2) } + \frac { 16} { ( x + 2) ( x - 2) }$ ?
Simplify 8-(-5)-4(-7)?
How do you solve $\frac{3 y - 4}{0.2} - 8 > 12$ $(3y-4)/0.2-8>12$ and graph the solution on a number line?
Of 3,600 students surveyed, 40% eat cold pizza for breakfast. How many students do not eat cold pizza for breakfast?
When was our moon formed?
Max has 100 square inches of aluminum with which to make a closed cylinder. If the radius of the cylinder must be 2 inches. How tall will the cylinder be?
What is the equation of the line between $(12, 23)$ $(12,23)$ and $(9, 14)$ $(9,14)$ ?
Have this percentage word problem. A patient receives 65 grams of meds. If the dose is increased 20%, how many grams of meds will the patient receive on the next dose?
How do you write and graph a function that translates $y = \sqrt{x}$ $y=sqrtx$ by shifting 6 units down?
How can I find the horizontal intercept of the equation $y = - 4 x^{2} - 8 x + 12$ $y=-4x^2-8x+12$ algebraically?
How do you write 31/8 as a mixed number?
Is the equation below a function or not ? Explain
Is the function $f (x) = {(\frac{1}{5})}^{x}$ $f(x) = (1/5)^x$ increasing or decreasing?
Find the area enclosed by the graphs of each of the following y=x+1,line x=-2, x=2 and y=x²-1 ?
What is the equation of a line that has an x-intercept of -2 and a y-intercept of -5?
How do you solve $3 | 4 x - 3 | - 4 = 6$ $3| 4x - 3| - 4= 6$ ?
How to use the discriminant to find out how many real number roots an equation has for $a^{2} + 12 a + 36 = 0$ $a^2 + 12a + 36 = 0$ ?
How do you write the quadratic in vertex form given $y = 3 x^{2} - 12 x + 4$ $y=3x^2-12x+4$ ?
How do you solve 2x^2-10x=-12 by completing the square?
What is the area of a circle with a circumference of 56.52 inches (in.)? Use 3.14 forimage.
Please help?
What is the equation of a quadratic function whose graph passes through (-3,0) (4,0) and (1,24)? Write your equation in standard form.
Which equation should be used to graph y=sec^-1(x) on a calculator?
How to write an equation for a rational function with: vertical asymptotes at x = 3 and x = -5?
In Hawai's Kona Iron Man competition, Gretchen swims the first $\frac{1}{7}$ $1/7$ of a mile in 70 minutes. At this pace, how many minutes will it take for Gretchen to swim the entire $2 \frac{2}{5}$ $2 2/5$ mile course?
How do you simplify $\frac{3 \sqrt{3} + \sqrt{2}}{3 - 4 \sqrt{5}}$ $\frac { 3\sqrt { 3} + \sqrt { 2} } { 3- 4\sqrt { 5} }$ ?
The summit of Mauna Kea is approximately 13,796 ft above sea level. What is the distance from the summit to the horizon, rounded to the nearest mile?
How do you write $0.00234$ $0.00234$ in scientific notation?
Graph 2=x+y?
Help! The slant asymptote of $f (x) = \frac{6 x^{3} - 5 x^{2} + 3 x}{3 x^{2} - x - 14}$ $f(x)=(6x^3-5x^2+3x)/(3x^2-x-14)$ intersects f where x=?
How do you find the domain and range of $h (x) = 3 x + 9$ $h(x) = 3x+9$ ?
How do you rationalize $\sqrt{\frac{14}{x}}$ $sqrt(14/x)$ ?
How do you find the x-coordinate of the vertex for the graph $4 x^{2} + 16 x + 12 = 0$ $4x^2+16x+12=0$ ?
Why zero can't be divided by itself ?
How do you factor the trinomial $r^{2} + 15 r + 54 = 0$ $r^2 + 15r + 54 = 0$ ?
How do you simplify $- n + 24 = 5 (- 6 n - 1)$ $-n + 24= 5( - 6n - 1)$ ?
How do you find $| - 100 |$ $|-100|$ ?
How do you solve $\frac{5 x - 3}{2} = \frac{x + 4}{3}$ $\frac{5x - 3}{2} = \frac{x + 4}{3}$ ?
What are the asymptotes and removable discontinuities, if any, of $f (x) = \frac{x^{2} + 1}{x^{2} - 1}$ $f(x)=(x^2+1)/(x^2-1)$ ?
How do you solve $- 3 y = - 4$ $-3y=-4$ and $- 3 x + 5 = - 2$ $-3x+5=-2$ ?
How do you simplify $\sqrt{2 u^{3} w^{2}} \cdot \sqrt{10 u^{6} w^{4}}$ $sqrt(2u^3 w^2)*sqrt(10u^6 w^4)$ ?
How do you graph $y = \frac{1}{2} cos x + 3$ $y=1/2cosx+3$ ?
How do you simplify $\frac{3 (y^{2}) - 3}{(y^{2}) - 1}$ $(3(y^2) - 3) / ((y^2) - 1)$ and what are the restrictions?
How do you graph $y = - 5 cos (\frac{1}{2}) x$ $y=-5cos(1/2)x$ ?
What are the asymptotes of $\frac{x^{2} - x + 2}{3 x - 3}$ $(x^2 - x + 2)/ (3x - 3)$ ?
How do you graph $10 x = - 5 y$ $10x=-5y$ using the x and y intercepts?
$\sqrt[3]{20 x^{2} y^{7}} \cdot \sqrt[3]{50 x^{4} y^{2}}$ $root(3)(20x^2y^7)*root(3)(50x^4y^2)$ = ?
How do you find the domain of $f (x) = 3 x + 6$ $f(x)=3x+6$ ?
What is the square root of -16 times the square root of -10?
How do you simplify $\sqrt{\frac{8}{36}}$ $sqrt(8/36)$ ?
How do you graph $y = 5 + sin (\frac{1}{2} x)$ $y=5+sin(1/2x)$ ?
How do you divide $\frac{x^{2} - 4}{x^{2} + 7 x + 10} \div \frac{x}{x + 5}$ $\frac { x ^ { 2} - 4} { x ^ { 2} + 7x + 10} \div \frac { x } { x + 5}$ ?
An equation of a line perpendicular to the line represented by the equation $y = - \frac{1}{2} x - 5$ $y=-1/2x - 5$ and passes through $(6, - 4)$ $(6,-4)$ is what?
What is the equation in point-slope form and slope intercept form of the line given slope -2, (3, 1)?
How do you solve using the completing the square method $x^{2} - 10 x = - 8$ $x^2- 10x = -8$ ?
What will happen when the universe stops expanding?
How do you find the slope given (-2, 3) and (3, -2)?
How do you find the domain and range of $f(x) = 2 / (1 - x²)$ ?
What are the vertical and horizontal asymptotes of $y = (x+3)/(x^2-9)$ ?
What are the x and y intercepts of the linear equation: $-y=(3x+6)-12$ ?
How do you factorize 36squared - 49squared?
What is the slope and y-intercept of the linear equation $y=3x-2$ ?