308 Answered Questions for the topic Quadratic Formula

17d

#### Study Island Help

Dr. Peabody shot a rocket off the roof of a 42-foot tall building. After three seconds, the rocket reached its highest point of 96 feet.Model this situation with a quadratic function, and use the...
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17d

#### Study Island Help

Dr. Peabody shot a rocket off the roof of a 42-foot tall building. After three seconds, the rocket reached its highest point of 96 feet.Model this situation with a quadratic function, and use the...
more

17d

#### Study Island Help

Dr. Peabody shot a rocket off the roof of a 42-foot tall building. After three seconds, the rocket reached its highest point of 96 feet.Model this situation with a quadratic function, and use the...
more

17d

#### Study Island Help

03/02/21

#### Write a quadratic equation in standard form: f(x)= x2-4x+6

Write the following quadratic equation in standard form:f(x)= x2-4x+6

02/22/21

#### can some one please tell me how compressed by 1/2 effect the whole equation?

If the parabola y=x^2, undergoes the following transformations: reflected over the x-axis, translated 5 units left and 2 units down, and compressed vertically by a factor of 1/2 , what is its new...
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Quadratic Formula Precalculus

02/22/21

#### Find this equation! and please explain what reflect over x-axis mean!

If the parabola 𝑦 = 𝑥^2 undergoes the following transformations: reflected over the x-axis, 1translated 5 units left and 2 units down, and compressed vertically by a factor of 2, what is its new...
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Quadratic Formula Precalculus

02/20/21

#### How do you find the vertex of -9x^2+156x+480

please explain how I find the vertex of this!

Quadratic Formula Pre Calculus

02/20/21

#### I need real help on how to find the vertex for this question! PLS EXPLAIN

The starting price of grapes per mz is $8.00, at which you can sell 60 m^2 worth- For every $3.00 increase in price, you sell 3 m^2 less. So use the same method you just used to find...
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Quadratic Formula Pre Calculus

02/20/21

#### I need real help on how to find the vertex for this question! PLS EXPLAIN

The starting price of grapes per mz is $8.00, at which you can sell 60 m^2 worth- For every $3.00 increase in price, you sell 3 m^2 less. So use the same method you just used to find...
more

02/18/21

#### The classic "when does x enter the y" type question

I need help with a certain question in a math puzzle. The equation is h(t)=-16t^2+24t+48. I need to find out when it'll reach the max height.

#### Calculate the [H+] and pH of a 0.000173 M acetic acid solution. Keep in mind that the Ka of acetic acid is 1.76×10^−5.

Calculate the [H+] and pH of a 0.000173 M acetic acid solution. Keep in mind that the KA of acetic acid is 1.76×10^−5.This is a problem that will require you to use the quadratic. Start by setting...
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#### Algebra 1 Quadratics Problem [Read Description]

During halftime of a football game, a slingshot launches T-shirts at the crowd. A T-shirt is launched from a height of 6 feet with an initial upward velocity of 72 feet per second. The T-shirt...
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11/12/20

#### Quadratic Equation

a photograph measuring 16cm by 12cm is to be surrounded by a mat before framing. The width of the mat is to be the same on all sides of the photograph. The area of the mat is equal to the area of...
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11/10/20

#### Quadratic Equations

The volume of a cone with height, h (m), and radius r (m), is given by the formula v=1/3 πR^2h. What is the radius of a cone with volume 168cm^3 and height 9cm

11/10/20

#### Quadratic Equations

The Height, h meters, of a falling object is related to the time, t seconds, the object has been falling by the formula h = -4.9t^2 + d. Where d meters is the initial height of the object above the...
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11/10/20

#### Quadratic Equations

A rectangular garden had dimensions 6m by 8m. Leonard wants to build a path around the garden. He has 120m^2 of bricks. How wide is the pathway?

11/10/20

#### Quadratic Equations

when a football is kicked with a vertical speed of 20m/s, it's height, h meters, after t seconds is approximated by the formula: h = 20t - 5t^2. How long after the kick is the football at the...
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11/10/20

#### Quadratic Equations

A boat travelled 30km upstream, against the current, to deliver some feed from Elli, to Helmut's farm, it then turned around and headed 35km downstream to dock for the night. If the speed of the...
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11/10/20

#### Quadratic Equations

When two pumps are turned on they can fill the pond at Helmut's farm in seven hours. individually, one pump takes two hours longer than the other to fill the pond. Find the time to fill the pond by...
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11/10/20

#### Quadratic Equations

The hypotenuse of a right triangle measures 20cm. The sum of the lengths of the other two sides is 28cm. find the lengths of these two sides.

11/10/20

#### Quadratic Equations

a photograph measuring 16cm by 12cm is to be surrounded by a mat before framing. The width of the mat is to be the same on all sides of the photograph. The area of the mat is equal to the area of...
more

11/10/20

#### Quadratic Equations

Ellie travelled 700km by truck to deliver some ostriches to her friend's farm, she then returned the same distance by car. The car averaged 10km/h faster than the truck and took 1 hour less time....
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