All Questions ⁺⁰238365 Questions

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2120

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+24

Quadratic Optimization Problem Set

1. What real value of t produces the smallest value of the quadratic t^2 -9t - 36?
2. If t is a real number, what is the maximum possible value of the expression -t^2 + 8t -4?
3. The temperature of a point (x, y) in the read more ..

kronos Aug 27, 2016

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644

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FRACTION EXPONENTS?

What happens if a fraction is in as an exponent?

Guest Aug 27, 2016

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758

1

Solve the system of equations by graphing.

Solve the system of equations by graphing.
{ x^2 + y^2 =9 x+y=3

Please enter your answer as an ordered pair in the form (x, y). read more ..

Guest Aug 27, 2016

0

790

1

Solve the system of equations algebraically for real values of x and y

Solve the system of equations algebraically for real values of x and y
{ x^2 - 11x -y =-24 x^2 -11x +y =-24

Please enter your answer as two ordered pairs in the form (x 1, y 1), (x 2, y 2). The pairs read more ..

Guest Aug 27, 2016

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869

1

Give the coordinates of the circle's center and it radius.

Give the coordinates of the circle's center and it radius.
(x−2)2 +(y+9)2 =1
Enter your answer using the coordinate notation: (a, b), and r = .... separated with a comma.
read more ..

Guest Aug 27, 2016

0

985

1

Solve the system of equations algebraically for real values of x and y

Solve the system of equations algebraically for real values of x and y
{ x^2 + y^2 =26 x+y=6

a. (1, 5), (1, 4) read more ..

Guest Aug 27, 2016

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439

0

Solve the system of equations

Solve the system of equations
{ y^2 + x^2 =10 y+x=4

a. (3, 3), (1, 1) read more ..

Guest Aug 27, 2016

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469

0

Solve the system of equations algebraically for real values of x and y.

Solve the system of equations algebraically for real values of x and y.
{ x+y=16 x^2 + y^2 = 128

a. (6, 6) read more ..

Guest Aug 27, 2016

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554

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Find the equation of the hyperbola with vertices (4, 0), (-4, 0) and focus (7, 0).

Find the equation of the hyperbola with vertices (4, 0), (-4, 0) and focus (7, 0).

a. x^2/33 - y^2/16 = 1
b. y^2/16 - x^2/33 = 1 read more ..

Guest Aug 27, 2016

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744

0

Any sound from one focus of an ellipse reflects off the ellipse directly back to the other focus. This property explains whispering galleries such as Statuary

Any sound from one focus of an ellipse reflects off the ellipse directly back to the other focus. This property explains whispering galleries such as Statuary Hall in Washington, D.C. The whispering gallery shown in illustration has the shape of a semi-ellipse. read more ..

Guest Aug 27, 2016

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769

0

Give the coordinates of the circle's center and its radius. x^2 + y^2 − 16 = 0

Give the coordinates of the circle's center and its radius. x^2 + y^2 − 16 = 0

a. (1,1);r=4
b. (0,0);r=16 read more ..

Guest Aug 27, 2016

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1010

1

+249

There are finitely many primes $p$ for which the congruence $$8x\equiv 1\pmod{p}$$has no solutions $x$. Determine the sum of all such $p$.

There are finitely many primes $p$ for which the congruence $$8x\equiv 1\pmod{p}$$has no solutions $x$. Determine the sum of all such $p$.

higgsb Aug 27, 2016

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1055

1

Hmmmmm

The equation y=14.7x+16.9 estimates the amount that businesses will spend, in billions of dollars, on a certain business technology, where x is the number of years after 2002. For what years will the spending be more than $61 billion?

Guest Aug 27, 2016

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654

1

what is the square root of 10?

what is the square root of 10

Guest Aug 27, 2016

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1548

2

+4623

im stuck help........

Three friends are driving to New York City and splitting the gas cost equally. At the last minute, 2 more friends joined the trip. The cost of gas was then evenly redistributed among all of the friends. The cost for each of the original 3 decreased by 11.00. read more ..

tertre Aug 27, 2016

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676

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More distance formula troubles

(-2, sqrt/2, -3) (sqrt/2, -2)
Ok so the first parenthasis has three numbers so does that mean I have a Z coordinate now or... How do I solve this??? I dont even know how to apply the distance formula to this

Guest Aug 27, 2016

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592

0

a. Find the equation of the tangent line to the parabola given by x^2 = 2y at point (3, 9/2)

a. Find the equation of the tangent line to the parabola given by x^2 = 2y at point (3, 9/2)

b. In 1957, the Soviet Union launched the first artificial satellite Sputnik I. Its orbit was elliptic with read more ..

Guest Aug 27, 2016

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1

1793

2

In a suspension bridge, the shape of the suspension cables is parabolic. The bridge shown in the figure has towers that are 400 m apart, and the lowest point

In a suspension bridge, the shape of the suspension cables is parabolic. The bridge shown in the figure has towers that are 400 m apart, and the lowest point of the suspension cables is 100 m below the top of the towers. Find the equation of the parabolic read more ..

Guest Aug 27, 2016

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711

1

Give the coordinates of the circle's center and its radius.

Give the coordinates of the circle's center and its radius.
(x−1)^2 +(y+8)^2 =16

a. (-1,8);r=4 read more ..

Guest Aug 27, 2016

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572

1

Distance formula help

(6, -7) , (4,4) how do I find distance formula

Guest Aug 27, 2016

0

545

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+28

help

Which of the following statements is correct ? Mark all options that are right .

A) None of the options below is correct. read more ..

kurre Aug 27, 2016

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602

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multiplication

Guest Aug 27, 2016

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1075

1

+249

What is the smallest positive integer that satisfies the congruence ?

What is the smallest positive integer that satisfies the congruence ?

higgsb Aug 27, 2016

0

1058

1

Determine the sample space for the experiment. Three prize winners are selected from six people: A, B, C, D, E, and F.

Determine the sample space for the experiment.
Three prize winners are selected from six people: A, B, C, D, E, and F.

Guest Aug 27, 2016

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