what is the vertex of the parabola whose equation is y=x2=+4x+8?

what is the vertex of the parabola whose equation is y=x2=+4x+8?

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...

Problem Page Write the quadratic equation whose roots are 1 and 2, and whose leading coefficient is 5.

Math 2 quadratics

Length of x+7, a width of 2x. Area of 520 in2.

V=l•w•h v=25,000 cm^3 l=? w=? cut 10 cm off every corner to make it into a box

The length of a rectangle is 7 ft more than twice the width, and the area of the rectangle is 99 ft .

the cost of 1 apple is a cents. the cost of 1 pear is p cents. the total of 7 apples and 9 pears is 354 cents

explanation and working out please. (just letting you know that “-2’1/2“ is 2 whole, 1 over 2 in a fraction.)

This system has one solution. {y = −2x + 4 y = x^2 + 4x + 13 What is the y-coordinate of the solution? Enter your answer in the box. y...

please show me steps and the two solutions

Question; The width of a rectangle is 7 meters greater than its length. If the rectangle is 170 square meters, write the quadratic equation in standard form for the equation taht would represent the...

I know the answer to this problem is 1 but still don't know the solution and find it pretty conflicting. I'm sure the answer is 1.

A parabolic arch supports a bridge. The arch is 200m wide at its base and 4m tall in the middle. How high is a point on the arch that is 20m horizontally from one end?

2.0/2 points | Previous Answers GHColAlg11 1.4.006. Ask Your Teacher My Notes Question Part Points Submissions Used A large rectangular movie screen in an IMAX theater...

Given the quadratic equation (2k+1)x2 - 3kx+2k-4=0 has no roots.Find the range of the values of k

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

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...

(x+1⁄x)2=3(x+1/x)+4

Out of a group of goats, 2 times the square root of the number of goats were kept in shade, (1/4) of them were taken for grazing and 15 were sold, find the initial number of goats. Answer...