696 Answered Questions for the topic Quadratic Equations

Quadratic Equations Algebra 2

04/20/16

Speed on a Car Trip
During the first part of a trip, Tara's honda traveled 120mi at a certain speed. Tara then drove another 100mi at a speed that was 10mph slower. If the total time of Tara's trip was 4hr, what was... more
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Quadratic Equations Axis Of Symmetry

04/18/16

how do i find the axis of symmetry of -7 and 1
 i need help finding the axis of symmetry when the quadratic equation is -7 and 1
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Quadratic Equations

04/17/16

Explain the relationship between a parabola's x-intercepts and its vertex ?
 no additional
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Quadratic Equations

04/16/16

quadratic equation word problem
A diver jumps off a diving board that is 10 ft above the water at a velocity of 12 ft/sec. His height, s , in feet, above the water can be modeled by s(t)=-16t^2+12t+10.(a) How long is the diver in... more
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Quadratic Equations

04/15/16

If the distance from the top of the tree to the end of the shadow is x + 1 meters long, what is the height, x, of the tree?
At a certain time of day, a tree that is x meters tall casts a shadow that is x − 49 meters long.
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04/09/16

Two quadratic equations have same solutions, but one is -a, the other a. What about the graphs?
The equation -x^2+5x-6=0 has the same solutions as x^2-5x+6=0. The solutions are x=2 and x=3. But when they are graphed, one parabola goes up and the other down. Which is the correct one? Or does... more
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Quadratic Equations

04/09/16

A resort rented a certain number of rooms for 28 800 pesos. When reduced by 20 pesos per room, 6 more rooms were rented. How many function rooms were rented?
This is a quadratic equation. Let x be the number of rooms rented.
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Quadratic Equations Quadratic

04/08/16

The width of a rectangle is the length minus 4 units. The area of the rectangle is 12 units. What is the length, in units, of the rectangle?
have to figure out the area so you would have to use the formula to figue out what areas equal too.
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Quadratic Equations

04/06/16

A rectangle is drawn so that the width is 2 feet shorter than the length. The area of the rectangle is 35 square feet. Find the length of the rectangle.
A rectangle is drawn so that the width is 2 feet shorter than the length. The area of the rectangle is 35 square feet. Find the length of the rectangle.
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Quadratic Equations

04/06/16

i need to find the length of rectangle
A rectangle is drawn so that the width is 2 feet shorter than the length. The area of the rectangle is 35 square feet. Find the length of the rectangle.
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Quadratic Equations

04/02/16

The length of a rectangle is 3 ft less than twice the width, and the area of the rectangle is 14 ft2 . Find the dimensions of the rectangle.
need to find the dimensions. thats all. 
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Quadratic Equations Math Question

04/02/16

which one has no solution?
Which of the following quadratic equations has no solution?   A. 0=-3(x+1)(x-8) B. 0=3(x+1)(x-8) C. 0=-3(x+1)2+8 D. 0=3(x+1)2+8
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Quadratic Equations Quadratic Formula

03/31/16

what is the width of the patio?
Caroline has a patio of uniform width around the perimeter of her rectangular pool. The pool measures22 ft by 12 ft. If the area of the pool and the patio is 504 ft , what is the width of the patio?
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Quadratic Equations Math Help Quadratics

03/29/16

Quadratic ques
the height h meters of an infield fly ball t seconds after being hit is modeled by the quadratic relation                                               H= -5(t+0.1)(t-3.5)   a) how long is the... more
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Quadratic Equations Math Factoring Math Help

03/29/16

Need help for this question!
Determine the integer values of n for which n^2-18n+45 is a prime number. 
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Quadratic Equations

03/17/16

Solve the quadratic equation by completing the square. 9x^2-16=0
Please Help!
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Quadratic Equations

03/17/16

Solve the quadratic equation by completing the square. -15x^2-21x=0
There isn't a c value so how would I solve this? 
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Quadratic Equations

03/16/16

Solve the Quadratic equation by completing the square. x^2+14x+48=0
Having trouble with completing the square problems 
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Quadratic Equations

03/15/16

Find the roots of the equation 1/x-1/x-2=3 where x is not equal to 0,2
x is not equal to 0,2
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Quadratic Equations

03/14/16

Product of two consecutive integers is 11 more than their sum. Find them
quadratic equation problem.
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Quadratic Equations

03/10/16

A class goes on a field trip and the total cost is $240. 4 kids don't go, which increases the cost per kid by $2. How many kids went on the field trip?
Each kid pays equally
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Quadratic Equations Vertex Quadratics Axis Of Symmetry

03/08/16

Help me I'm confused on which formula to use
Y = x2 - 9
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Quadratic Equations Algebra 1 Completing The Square

03/07/16

Why is it that when 2x^2+5x+4=0 is solved both by completing the square and the quadratic equation does the answer not come out the same
Completing the square - Vertex is (-5/4, 11/16)Quadratic Formula (-5/4, 11/8)   This is what I got when I used both of the formulas. I am pretty sure that you are supposed to get the same answer... more
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Quadratic Equations

03/04/16

can someone check my work please.
Can someone please let me know if i solved this equation correctly?   Find the exact solutions and simplify as much as possible: 10x2-1=8x   10x2 -1-8x=8x-8x 10x2 -8x -1 = 0   I then used... more
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Quadratic Equations

03/03/16

(x+7)(x-3)=-7
solve it by quadratic equation standard form
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