The factored form of a quadratic equation is y=(2x+1)(x-5), and the standard form is y=2x²-9x-5. which of the following statements accurately describes the graph of y?
a) the x-intercepts are -1 and 5, and the y-intercept is -5.
b) the x-intercepts are -1/2 and 5, and the y-intercept is -5.
c) the x-intercepts are -1/2 and 5, and the y-intercept is 5.
d) the x-intercepts are 1 and -5, and the y-intercept is -5.

x1= -5 x2=0.5 y= -5

the answer is b as the minuses can be interchanged for the x intercepts

Step-by-step explanation:

As you can see as explained in the pictures

step-by-step explanation:

we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v

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