Find the equation for the line that is parallel to the line with the equation y=4 passing through the point (-4,4).

1 answer:

3 0

The only line that would be parallel to this line and still hit that point would be that line. Is that an option, or did the paper maybe say (4,-4) or maybe even say to draw the line perpendicular to the point?

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Is each expression equivalent to 2x^2 - 50?

puteri [66]

We would first determine how to solve this, and then from there, we would then see whether the following answer would be the correct answers.

$2x^2 - 50 \\ \\ Pull \ out \ like \ factors : \\ 

 2x^2 - 50 = 2 * (x^2 - 25) \\ \\ Factoring: \\ x^2 - 25 \\ \\ (your \ answer)...\\ \\ 2 * (x + 5) * (x - 5)$

Now, we can determine whether the say "yes" or "no" to the following answers.

a 2(x-5)(x+5) = YES
b -2(x+5)(x+5) = NO
c -2(5-x)(x+5) = NO

3 0

3 years ago

A right triangle as shown below

anastassius [24]

Answer:

sin a = 7/25

cos a = 24/25

tan a = 7/24

Step-by-step explanation:

Trig. How wonderful. I get tripped up on these types of problems some times, so I decided to try to help! To start, write out the three ratios.

SOH (sine=opposite/hypotenuse) CAH (cosine=adjacent/hypotenuse) TOA (tangent=opposite/adjacent)

Then, label the triangle with “hypotenuse” “adjacent” and “opposite.” This helps us correctly use and find the raitos. Then, use these ratios to find out the ratios of A!

sin a = 7/25

cos a = 24/25

tan a = 7/24

If needed, just divide the ratios to get their decimal form!