You and a friend are hiking in the mountains. You want to climb to a ledge that is 20 ft above you. The height of the grappling hook you throw is given by h(t)=- 16t ^2-32t+5. What is the maximum...
You and a friend are hiking in the mountains. You want to climb to a ledge that is 20 ft above you. The height of the grappling hook you throw is given by h(t)=- 16t ^2-32t+5. What is the maximum...
Solve (y^2-1/y)^2 -4(y^2-1/y)-12=0
f(x) = -9x2 + 6x + 9
The outside of a mosaic frame measures 14 in by 20 in., and 160 in^2 of mirror shows. Find the width of the frame.
A student opens a literature book to two facing pages. The product of the page numbers is 812. Find the page numbers
The hypotenuse of a right triangle is 22m long. The length of one leg is 10 m less than the other. Find the lengths of the legs
The length of a rectangular parking lot is twice the width. The area is 162 yd^2. Find the length and the width.
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -7x2 + 7x + 6. The four options are: {–0.55, 1.55} {-7, 7} {–1...
need help with quadratic equations
A parabola graph has the Vertex and Y-intercept is A(0,8) and x-intercepts of B(3,0) and C(-3,0).... Question 1) The parabola has the equation ax^2+bx+c , Use "A(0.8)"...
how would the equation be written?
School of information technology: t=7v^2+300 represents an ecryption equation, where t is the time ( in seconds ) required to encrypt n, a desired number of bits. (note:...
Solve the quadratic equation method used and why
School of electronics P=i^2(20) represent power in DC circuit with a resistance of 20 ohms, p is the power (in Watts), and I (in amps) is the current. (Note: This relationship is of the same form...
The length of the hypotenuse of a right triangle is 1cm more than triple that of the shorter leg. The length of the longer leg is 1 cm less than triple that of the shorter leg. Find the lengths of...
Which of the following represents the quadratic equation below in standard form? A. B. C...
The length of a rectangle is 7 units more than its width. If the width is doubled and the length is increased by 2, the area is increased by 42 square units. Find the dimensions of the original rectangle...
During the first part of a trip, Sam's Chevrolet Cobalt traveled 120 mi. Sam then drove another 100 mi at a speed that was 10 mph slower. If the total time for Sam's trip was 4 hr, what was his speed...
The height of an object shot straight up with an initial velocity of v in feet per second is given by h + -16ft2 +vt + c, where c is the initial height of the object above the ground...
Use the graph of f(x) to find the solutions to the equation f(x)=0. What are the solutions of the equation 2x^2=8? Use a graph of a related function whose roots answer the question...