132 Questions for the topic quadratic equation

8h

Solving For X :

2x2 = -34×
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17h

The area of a playground is 208 yd2. The width of the playground is 3 yd longer than its length. Find the length and width of the playground.

I know you had a question very similar to this, but that problem was able to factor. Since this one isn't, what should I do?
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2d

Determine this equation in standard form

Where the x intercepts is -2 +/- √5, containing the point (-4,5)... the answer is supposed to be -5x^2-20x+5 but I keep getting the wrong answer.
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4d

Quadratic Word Problem
The length of a rectangle is 1" more than the width. If 3" is added to the length and 1" to the width, the new area is twice the original area. Find the dimensions of the original rectangle
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9d

Quadratic Functions
Last year the Sports Time Athletic Club charged $20 to participate in an aerobics class. Seventy people attended the classes. The club wants to increase the class price this year. They expect to... more
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10d

remington is digging a hole. the dirt on his shovel hits the ground level at .7 seconds on the way up and lands on the ground at 1.2 seconds. write a quadratic equations for this situation
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14d

The length of a rectangle is 2 centímeters more than three times the width. The area of the rectangle is 120 cm square. Find the dimensions of the rectangle.

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8f243545 4e08 48ff b6fc 8b035d89e24c

15d

College Algebra
Pat and Mike working together can assemble a bookcase in 4 minutes. It takes Mike, working by himself, 6 minutes longer than it takes Pat working by himself to assemble the bookcase. How long does... more
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E5abab84 d950 4050 ac29 c61db1179726

15d

Help me with math question pls!
If the point (-3,4) is the vertex point of the curve of a quadratic function f and -5 is a root of the equation f(x)=0 then the other root is ......But I need it with steps not only the final answer
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86a5aa16 1877 4828 8211 5ac4c4b9346d

15d

quadratic equations (root)
if -3 is one of the roots of the quadratic equations px2+(5p+1)x+8k-1=0 finda) the value of pb) the other roots of the equation
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F626d572 5c9d 469b a00a 6b41b001d818

18d

write the quadratic equation
write the quadratic equation whose roots are -5 and -3, and whose leading coefficient is 4(use letter x to represent the variable)
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20d

Instead of -1/10 I have -1/3 is that wrong?
R(x)=-1/3(x)^2+100(x) My teachers tells us to use -1/3 instead of -1/10 is this correct or is my teacher wrong? Or am I doing my problems wrong?
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F3fef417 8e10 47ae a6f8 367d3fb87435

21d

Determining quadratic intercepts values
Find the value of k such that the line y=x-k only intercepts the parabola y=x2-6x-7 once only, i.e. it is a tangent to the curve. Hint: examine the discriminant to the resulting quadratic.
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22d

How do you find the x intercepts in the equation y=7x^2-2x-1 ?
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E5abab84 d950 4050 ac29 c61db1179726

23d

a rectangular swimming pool is 10m wide and 15m long. The pool is surrounded by a deck of uniform width, whose area is equal to the area of the pool. How wide is the pool?
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25d

An arrow is shot vertically upward from a platform 46ft high at a rate of 183ft/sec. When will the arrow hit the ground? Use the formula: h=−16t2+v0t+h0. (Round your answer to the nearest tenth.)
An arrow is shot vertically upward from a platform high at a rate of . When will the arrow hit the ground? Use the formula: . (Round your answer to the nearest tenth.)
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Beafb3a0 bb4b 4549 b787 693bf70819b3

29d

Quadratic function
Function H=-14^2t+56t+60 represent the height of an object that is launch directly up in the air, where H represent the height in feet of the object and T represents the time in seconds.a)what is... more
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29d

quadratics math plz help
Devyn decides to try platform diving. She is using a 24-foot platform and would like to generate an initial velocity of 8 feet per second, which would be approximated by the function , h(t) =... more
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30d

The sum of consecutive integers 1,2,3...n is given by the formula 1/2n(n+1). How many consecutive integers, starting with 1, must be added to get a sum of 990?
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Cd8c8478 f40b 4e32 a4f9 2385694e0251

02/17/19

What is the difference in writing a quadratic equation?
The quadratic for the roots 3/7 and 10/3 is -21x2+79x-30.But is there a difference if it was written as 21x2-79x+30?
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E5abab84 d950 4050 ac29 c61db1179726

02/17/19

If minus a is the solution of the equation x square +3ax+t is equal to zero find the value of t
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02/14/19

Equation only for Area
What is the equation for area of a playground whose length is twice as long as its width
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8850b6cd e12c 4532 90c8 8137a505b3c4

02/13/19

The length of a rectangle is 5 ft. more than double the width, and the area of the rectangle is 63 ft2 . Find the dimensions of the rectangle.

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02/13/19

Quadratic Word Questions
A rock is thrown upward with a velocity of 15 meters per second from the top of a 34 meter high cliff, it misses the cliff on the way back down. When will the rock be 5 meters from the water,... more
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E5abab84 d950 4050 ac29 c61db1179726

02/12/19

Compute the value of the discriminant and give the number of real solutions of the quadratic equation. 2x^2-8x+1=0
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F3fef417 8e10 47ae a6f8 367d3fb87435
1 3 4 5 6

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