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Sedbober [7]
3 years ago
5

The equation below describes a parabola. If a is negative, which way does the parabola open? x = ay2

Mathematics
2 answers:
Anastasy [175]3 years ago
8 0
This type of parabola opens either to the left or to the right. The negative makes it open to the left.
Vanyuwa [196]3 years ago
3 0

Answer:

The given parabola opens to the left.

Step-by-step explanation:

We are given,

The equation of the parabola is x=ay^2

If in the parabola,

<em>1. If 'a' is positive, then the parabola opens upwards or right.</em>

<em>2.</em><em> If 'a' is negative, then the parabola opens downwards or left.</em>

Moreover,

<em>3. If x is squared, then the parabola opens upwards or downwards.</em>

<em>4. </em><em>If y is squared, then the parabola opens left or right.</em>

Now, as we are given the parabola having y^2 and 'a' is negative.

Thus, from the points 4 and 2, we get,

The given parabola opens to the left.

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Susie’s Sweet Shop sells chocolate boxes that contain three types of chocolate truffles: solid chocolate truffles, cream center
olganol [36]

Let us make a list of all the details we have

We are given

The cost of each solid chocolate truffle = s

The cost of each cream centre chocolate truffle = c

The cos to each chocolate truffle with nuts = n

The first type of sweet box that contains 5 each of the three types of chocolate truffle costs $41.25

That is 5s+5c+5n = 41.25 (cost of each type of truffle multiplied by their respective costs and all added together)

The second type of sweet box that contains 10 solid chocolate trufles, 5 cream centre truffles and 10 chocolate truffles with nuts cost $68.75

That is 10s+5c+10n = $68.75

The third type of sweet box that contains 24 truffles evenly divided that is 12 each of solid chocolate truffle and chocolate truffle with nuts cost $66.00

That is 12s+12n=$66.00

Hence option C is the right set of equations that will help us solve the values of each chocolate truffle.



6 0
3 years ago
Can you answer this question?​
Debora [2.8K]

Answer: y= 3 times 2 to the power x. Second answer

Step-by-step explanation:

if you plug in 0 for x, y= 3x 1= 3

if you plug in 1 for x y= 3 x 2 = 6

Look at the x values and y values

(0,3) and (1, 6) on the graph. It matches answer number 2. Remember, 2 raised to the power 0 = 1 and 3 times 1 = 3. And 2 raised to the power 1 =2 and 3 times 2 = 6.

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PLESASE HELP asap !!!!!!! a line passes through the point (2,6) and has a slope of -9 write the equation of the line in point sl
posledela

Answer:

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2 years ago
If f(x)=3x^2-2x+1 find f(-2)
SIZIF [17.4K]

Answer:

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Step-by-step explanation:

3(-2)^2 - 2(-2) + 1

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