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Zarrin [17]
3 years ago
9

Which statement is true?

Mathematics
1 answer:
Wittaler [7]3 years ago
5 0

Answer:

The y-intercept of Function A is less than the y-intercept of Function B.

Step-by-step explanation:

Function A's y-intercept would be (0, -1) and Function B's y-intercept is (0, 4). Therefore, Function A's y-intercept is less than Function B's.

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What is 532,892 rounded to the nearest thousand?
xxTIMURxx [149]
Thousand is 1000

look at previous digit
8
8>5 so round up

533,000 is rounded
7 0
3 years ago
Can someone please help me! I don’t understand how to do this!
Nutka1998 [239]

9514 1404 393

Answer:

  a.  4x^2 +16x -48 = 4x^2 +16x -48

  b.  -3x^2 +12x +36 = -3x^2 +12x +36

  c.  x^2 +12x +35 = x^2 +12x +35

Step-by-step explanation:

In general, you would prove this by transforming one of the expressions into the other. The easiest would be to transform the factored form into the vertex form, perhaps, as this would spare you trying to explain the magic of factoring.

Alternatively, you can transform both expressions into the same (standard) form. I believe that will be the easiest of all.

The product of two binomials is ...

  (x +a)(x +b) = x(x +b) +a(x +b) = x^2 +bx +ax +ab

  (x +a)(x +b) = x^2 +(a+b)x +ab . . . . after collecting terms

The square of a binomial is the same thing, but with b=a, so ...

  (x +a)^2 = x^2 +2a +a^2

Using these forms, we can avoid showing all of the intermediate "work" of making the desired transformations.

__

a.  4(x -2)(x +6) = 4(x +2)^2 -64

  4(x^2 +4x -12) = 4(x^2 +4x +4) -64 . . . . . expanding the products

  4x^2 +16x -48 = 4x^2 +16x +16 -64 . . . . using the distributive property

  4x^2 +16x -48 = 4x^2 +16x -48 . . . . . collect terms; expressions are equal

__

b.  -3(x +2)(x -6) = -3(x -2)^2 +48

  -3(x^2 -4x -12) = -3(x^2 -4x +4) +48

  -3x^2 +12x +36 = -3x^2 +12x -12 +48

  -3x^2 +12x +36 = -3x^2 +12x +36

__

c.  (x +5)(x +7) = (x +6)^2 -1

  x^2 +12x +35 = x^2 +12x +36 -1

  x^2 +12x +35 = x^2 +12x +35

6 0
3 years ago
Read 2 more answers
Write the simplified form of expression 3(x+8)<br>what is simplified form of -(2y-3x)<br>​
Jobisdone [24]

Answer:

1) 3x+8

2) -2y+3x

Step-by-step explanation:

thats the answer! hope it helps :)

5 0
3 years ago
NEED HELP FASTT
kotegsom [21]

Answer:

As the input increases, the output decreases for all values of x.

Step-by-step explanation:

The function is linear (a straight line) which heads down and to the right. There is no asymptote stopping the function from decreasing.

Formally, the behavior is described like so: as x approaches infinity, f(x) decreases

6 0
3 years ago
How many seconds equals 4.2 hours?<br><br> Enter your answer in the box.<br><br> ___s
sergiy2304 [10]
4.2× 3600 = 15120 seconds
8 0
3 years ago
Read 2 more answers
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