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3 years ago

10

A line with a slope of 1 passes through (-5,-5). Write the equation of the line in general form.

1 answer:

Rudiy273 years ago

6 0

The answer is B, thats the only one that shows both the slope and y intercept correctly

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One factor of the function f(x) = x ^ 3 - 8x ^ 2 + 17x - 10.5(x - 5) Describe how to find the x-intercepts and the y-intercept o

pickupchik [31]

Answer:

x-intercept(s): (−1.9900717, 0)

y-intercept(s): (0, 52.5)

Step-by-step explanation:

To find the x-intercept, substitute in $0$ for $y$ and solve for $x$ . To find the y-intercept, substitute in $0$ for $x$ and solve for $y$ .

$f(x)=y$

$(x)=x$

<u>x-intercept</u>

To find the x-intercept(s), substitute in $0$ for $y$ and solve for $x$ .

$f(x) = x ^ 3 - 8x ^ 2 + 17x - 10.5(x - 5$

$=\bold{0}=x^3-8x^2+17x-10.5\left(x-5\right)$

$=0\cdot \:10=x^3\cdot \:10-8x^2\cdot \:10+17x\cdot \:10-10.5\left(x-5\right)\cdot \:10$

$=0=10x^3-80x^2+170x-105\left(x-5\right)$

$=0=10x^3-80x^2+65x+525$

$=10x^3-80x^2+65x+525=0$

$=10x^2-99.90071\dots x+263.80959\dots \approx \:0$

$\bold{x\approx \:-1.99007\dots}$

<u>y-intercept</u>

$f(x) = x ^ 3 - 8x ^ 2 + 17x - 10.5(x - 5$

$=y=\bold{0}^3-8(\bold{0})^2+17(\bold{0})-10.5\left(\bold{0}-5\right)$

$=y=0-8\cdot \:0+17\left(0\right)-10.5\left(0-5\right)$

$=y=0-8\cdot \:0+17\cdot \:0-10.5\left(0-5\right)$

$=y=0-0+0-\left(-52.5\right)$

$=0-0+0+52.5$

$\bold{y=52.5}$

8 0

2 years ago

12 + 3x - x - 12 = ?

8_murik_8 [283]

Answer:

2x

Step-by-step explanation:

12 + 2x - 12

2x + 12 - 12

12 - 12 = 0

4 0

3 years ago

Read 2 more answers

S=2×πrh, solve for r. I got S/2xh=r is that right?

olga nikolaevna [1]

$given \: that \: s = 2 \times \pi \times r \times h$

by making r the subject, you need to divide the whole equation by 2πh

s/2πh = 2πhr/2πh

cancel out

r = s/2πh

5 0

4 years ago

If the sum of three times of y is equal to 9, then what is the value of y?

Vlada [557]

Answer: I think the answer is 3x

Step-by-step explanation:

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3 years ago

Brady used 2/3 gallon of yellow paint and 1/6 gallon of white paint to paint his dresser. How many gallons of paint did Brady us

MAXImum [283]

Answer is C 5/6!

Just add!

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3 years ago