Factor completely: 9p^2 - 9

Mathematics

2 answers:

yan [13]3 years ago

7 0

Answer:

Step-by-step explanation:

9p^2 - 9

9(p^2 - 1)

9(p - 1)(p + 1)

Ratling [72]3 years ago

3 0

Answer:

9p^2 - 9

9(p²-1²)

9(p+1)(p-1)

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Answer:

Question 4: Which equation is parallel to the above equation and passes through the point (35, 30)

$y=$ $\frac{5}{7} x + 5$ is the correct answer, I found this by inputting the x and y value of the coordinate (35, 30) onto the equation and solving for y-intercept since the slope of all equations is the same (since it's traveling parallel)

$30 = \frac{5}{7} (35) + y\\30 = 25 + y\\5 = y$

so the equation would be $y=$ $\frac{5}{7} x + 5$

Question 5: Which equation is perpendicular to the above equation and passes through the point (35, 30)

$y=\frac{-7}{5} x+79$ is the correct answer, I found this using the same method as before, input coordinate values into the equation and solve for the y-intercept (The only thing changed from the last answer is the opposite reciprocal slope).