a) simplify (x2-4x-12)(2x+3)2 / 2x2-9x-18 b) hence, show that [(x2-4x-12)(2x+3)2/ 2x2-9x-18] - 7x is always positive for any values of x, except x = -3/2 or 6. My...
a) simplify (x2-4x-12)(2x+3)2 / 2x2-9x-18 b) hence, show that [(x2-4x-12)(2x+3)2/ 2x2-9x-18] - 7x is always positive for any values of x, except x = -3/2 or 6. My...
Following this method here https://www.youtube.com/watch?v=r1JAJfmRG5w My equation now looks something like x^2 - 3x - 70 I know that I have to use a -10 and...
If a toy rocket is launched vertically upward from ground level with an initial velocity of 128 feet per second, then it's height h after t seconds is given by the equation h(t) =-16t2+128t(if...
solve the following: a) 3(2z+3)2-9(2z+3)-30 b)0.49k2-36m2
determine the roots of the quadratic equation.(complete the square) express your answer in exact values. 5x2+20x-1=0
How many real-number solutions does the equation have? -7x^2+6x+3=0 How many real-number solutions does the equation have? 0=3x^2+18x+27
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)"...
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...
Which of the following represents the quadratic equation below in standard form? A. B. C...
Solve 3/x + 3/2x = 2 Please explain how to answer this question. Thank you :)
In my 8th grade Advanced Algebra class, my group is moving extremely slowly due to constant chattering. I find it frustrating and would like to have the math skills to go into Advanced Geometry next...
This has something to with quadratic equations
steps to solve quadratic equation
I'm solving a quadratic equation which is 2x^2-x-10=0 and I know that a=2 b=-1 and c=-10 ans with the problem put it into the formula which is -(-10 +- √ -1^2-4(2)(-10) and when I get my answer...
4x2+8x-9=0
The company also discovered that it costs $28 to produce 2 camera cases, $50 to produce 4 camera cases, and $140 to produce 10 camera cases. Find the total cost of profucing 12 camera cases.
The length of a rectangle is 9 less than twice its width and the area is 180. Write an equation and define the length and width.
i need to find the sode length of the square
Round all answers to two decimal places when necessary. Check your answer(s) graphically or with a table. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION...
Solve the given equation using any of the methods you have learned. Round all answers to two decimal places when necessary. Check your answer(s) graphically or with a table. (Enter your answers as...