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kipiarov [429]
3 years ago
15

Use the perfect square trinomial identity to write this expression in factored form:

Mathematics
2 answers:
grandymaker [24]3 years ago
5 0
X^2 + 10x + 25
(X + 5)^2
cestrela7 [59]3 years ago
5 0

Answer:

{x}^{2}  + 10x + 25 \\  = ( {x}^{2}  + 10x +  {5}^{2} ) + (25 -  {5}^{2} ) \\  =  {(x + 5)}^{2}

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Write the standard form of the line that contains a y-intercept of -3 and passes through the point (3, 0). Include your work in
mina [271]
We have two points, (3,0) and (0,-3).  So we can find the slope of the line:

m=(y2-y1)/(x2-x1)

m=(-3-0)/(0-3)

m=-3/-3

m=1  so far for the line y=mx+b we have:

y=x+b, b is the y intercept which we were told is -3 so

y=x-3

The above is called the slope-intercept form of a line, y=mx+b, the standard form of a line is ax+by=c, so we need to get both variables on one side of the equation..

y=x-3  subtract x from both sides

-x+y=-3

While the above may be acceptable to some, technically the coefficient of x should be expressed as a positive value, so we should divide the above "solution" by -1 to get:

x-y=3
6 0
3 years ago
Need help for this question! For this graph, mark the statements that are true.
vagabundo [1.1K]

The correct answer are A. and B.

Good luck!!!

5 0
3 years ago
6. Evaluate the expression for the value of the variable. 1/3x + 5 x = -6
taurus [48]

Answer:

\frac{1}{3} x + 5x =  - 6 \\  \frac{16}{3} x =  - 6 \\ x = \frac{ - 6}{ \frac{16}{3} }  \\ x =  \frac{ - 9}{8}

5 0
3 years ago
PLD HELP ME IM STUCK
miv72 [106K]

Answer:

I think it's A: Similar - AA

Step-by-step explanation:

We know that ∠K≅∠N & ∠L≅∠P, so that gives us 2 sets of congruent angles

7 0
3 years ago
a total of $21,000 is invested in two bonds that pay 4% and 7.5% simple interest. The bond with 7.5 % interest rate earned 6 tim
hjlf
21000=a+b
ax.075xt=6xbx.04xt
t cancels out
a=3.2b
21000= 3.2b+b
21000=4.2b
b=5000
a=16000

account with 7.5% had 16000 invested in it.
account with 4% had 5000 invested in it
4 0
3 years ago
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