How do I find a, b and c?

How do I find a, b and c?

y=a(x-h)^2+k vertex:(h,k) A.O.S x=-b/2a standard form y=ax^2+bx+c

the graph of a quadratic function has a y intercept at (0,5) and minimum at (3, -4), Question a: write the equation of its curve Question b: write the coordinates of the root of...

Find the x-intercepts of the function f(x)=x2+2x−9. Express your answers in exact form and separate them with commas

A first time diver was a bit nervous about his first dive at a swimming pool. To ease his worries about hitting the water after a fall of 15 feet, he decided to push a tennis ball off the edge of...

Sarah is designing a poster. The top of the poster is 4 inches long and the rest of the poster is 2 inches longer than the width. If the poster requires 616 square inches of poster board, find the...

To fill a swimming pool 2 pipes are used . If the pipe of the larger diameter used for 4 hours and pipe of smaller diameter for 9 hours then only half of the pool is filled.Find how long it would...

Formula for stopping distance is d. v is the speed of the car.

It should be answered in three significant figures.

Ms List accidently knocks over a beaker on a 4 foot table how much velocity would it take for her to catch it before it falls

Need Help!!

Need Help!!

For each $6 decrease in price, the store expects to sell eight more calculators.The revenue from calculator sales is given by the function R(n) = (unit price)(units sold), or R(n) = (120 - 6n)(80...

Use the quadratic equation y = -2x^2 + 4x + 5 to complete the statements. Enter your answers in the boxes The equation can be written as y = -2 (x + _________ )^2...

The function f is defined by f(x) = x^2 - 2x - 24 Part A If f(x + 3) = x^2 + kx - 21, what is the value of k? Enter your answer in the box. ______________ Part...

Consider the following claim: If the point (2 + d, y) is on the graph of the function f(x) = x(x - 4), then the point (2 - d, y) is also on the graph. Use algebra to show that the...

Consider the function f, where f(x) = 2x^2 + 6x - 8 What is the vertex form of f(x) ? A. f(x) = 2(x - 3)^2 - 4 B. f(x) = 2(x + 3)^2 - 4 C. f(x) = 2(x -...

a stone is thrown downward from the top of a building with an initial speed of 15 feet per second: the distance d in feet that it falls in t seconds is d=16t2 +15t. How many seconds will it take...

if a rectangular carpet has a perimeter of 120 feet and an area of 800 square feet, what is it width?

H(x)=-1/2x^2+7x+15/2