1.) an expression is shown below:
10n^3 − 15n^2 + 20xn^2 − 30xn
part a: re...
Mathematics, 14.12.2019 12:31 kayla2945
1.) an expression is shown below:
10n^3 − 15n^2 + 20xn^2 − 30xn
part a: rewrite the expression so the gcf is factored completely.
2.) part a: the area of a square is (9x^2 − 12x + 4) square units. determine the length of each side of the square by factoring the area expression completely. show your work.
part b: the area of a rectangle is (25x^2 − 16y^2) square units. determine the dimensions of the rectangle by factoring the area expression completely. show your work.
3.) an expression is shown below:
f(x) = 2x^2 − 3x − 5
part a: what are the x-intercepts of the graph of f(x)? show your work.
part b: is the vertex of the graph of f(x) going to be a maximum or minimum? what are the coordinates of the vertex? justify your answers and show your work.
part c: what are the steps you would use to graph f(x)? justify that you can use the answers obtained in part a and part b to draw the graph.
Answers: 2
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The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|
Answers: 1
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Acredit union pays 5% annual interest, compounded daily, on saving deposits. find the value after one year of $500 deposited in this account. a-$20.40 b-$25.64 c-$520.40 d-$525.64
Answers: 1
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