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Cloud [144]
3 years ago
12

Choose the best definition for the following phrase: combining like terms

Mathematics
1 answer:
makvit [3.9K]3 years ago
3 0
I'm assuming you are talking about polynomials.

For example, I have x^2 + 2x + 1, and I want to add 2x^2 + x + 2

Then the like terms here are:

x^2 and 2x^2,  2x and x, 1 and 2, they are quadratic, linear and constant, respectively.
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sweaters already on sale for 20% off the regular price cost $28 when purchased with a promotion coupon that allows an additional
r-ruslan [8.4K]

The original price was $50.

To find this we need to start with the price you paid ($28). We then use this cost to find the pre-coupon price. Since the coupon affords a 20% discount, that means you pay for 80%. To solve this, simply divide the price you paid by the percentage you paid.

$28/.80 = $35.

Now that we have the pre-coupon price ($35), we can use that to find the original price. Again, we'd want to divide that by the percentage you paid for, which is 70%.

$35/.70 = $50

3 0
2 years ago
What is the vertex of the graph of this equation y=2x^2+8x-24
sdas [7]

Answer:

The vertex would be D) (-2, -32)

Step-by-step explanation:

To find the vertex , start by find the x-value. For this we can use the equation below.

x = -b/2a

In which a is the coefficient of x^2 and b is the coefficient of x.

x = -b/2a

x = -(8)/2(2)

x = -8/4

x = -2

Now that we have x, we find y by plugging -2 in for each x.

y = 2x^2 + 8x - 24

y = 2(-2)^2 + 8(-2) - 24

y = 2(4) - 16 - 24

y = 8 - 16 - 24

y = -32

3 0
2 years ago
Find the radical equivalent of 27^2/3 and compute it.<br> please help i'm taking a test.
AveGali [126]
Note that (a^b)^c=a^(bc) so in this case we have:

(27^(1/3))^2  the cube root of 27=±3

(±3)^2  and ±3^2=9

So the equivalent expression is 9  or if you need an exponent 9^1 :)

I am assuming that you meant 27^(2/3)
6 0
3 years ago
Read 2 more answers
What is the value of f(x) when x = 3?
Maksim231197 [3]
It's not specific enough to solve...so far it would only be f(3)
4 0
3 years ago
Find the measure of angle BCD in the following parallelogram. what's does BCD equal
DiKsa [7]

Answer:

120 degrees

Step-by-step explanation:

This is a quadrilateral, and by definition, the sum of all the interior angles is 360. So, we can just sum up all the expressions and set them equal to 360:

2x + x + 2x + x = 360

Combine like terms and solve for x:

6x = 360

x = 360/6 = 60

<BCD = 2x = 2 * 60 = 120

Thus, the answer is 120 degrees.

Hope this helps!

4 0
3 years ago
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