State whether a parabola represented by ht=−16t2 +250t opens up or down.

Q: Solve for c to complete the square. x^2-3x+c

A: We can find the value of c as below

Q: Complete the square to re-write the quadratic function in vertex for. y = x´ + 10x + 8

A:

Q: y=−16t2 +48+6 When will the ball hit the ground?  quadratic formula

A:

Q: Represent the number you would have to add to an expression of the form x2+bx to make a complete…

A: A complete square would be of the form:Comparing this to the equation given:Hence the missing term…

Q: Sarah dove off a diving platform into a pool. The dive as she returns to the surface can be modeled…

A: The modeled equation is:y=0.75x2-8x+15

Q: Use the quadratic formula f(x)=2x^2−8x+5 to determine the coordinates of the vertex of the…

A: Given,         The function is fx=2x2-8x+5 .

Q: Shannon's rain-catcher has 8 inches of water in it. Each day, 3 inches of water are added to the…

A: Initial amount of water, y intercept =8 inches Slope,m=3inches per day

Q: Rewrite the following quadratic function y = x2 + 2x – 77/22 in vertex form by completing the…

A: The question  asked about the basic concepts  related to quadratic  equations.

Q: Use completing the square to write the following equation y=5x^2+30x-5 in the form y=a(x-h)^2+k…

A:

Q: Write an equation (any form) for the quadratic graphed below: -5 -4 -3 -2 -3 y = on

A: First of all we will find the vertex of the given graph and then use the vertex form of quadratic…