I really need help with question 3 this is confusing me so much!

Mathematics

1 answer:

Afina-wow [57]3 years ago

3 0

A. It has a minimum turning point (think minimum will be on the bottom and maximum will be on the top)

B. The coordinates of the turning point (that we decided was the minimum) is (2,-1) {tip, the turning point is also more commonly called the vertex!}

C. The equation of the axis of symmetry is just asking what x-value is in the middle of the graph, and it is the same value as the x coordinate in the turning point (minimum) which is 2, so x=2 is the answer!

D. The y-intercept is just where the blue line crosses the y (vertical) axis, so we can see that it is (0,3) based off the graph!

E. The x-intercept(s) is where the blue line crosses the x (horizontal) axis, and there can be multiple x-intercepts, and based off the graph it is (1,0) and (3,0)

Hope that helped :)

You might be interested in

Samples of size n = 9 are selected from a population with μ = 80 with σ = 18. what is the expected value of m, the mean of the d

adoni [48]

Answer:
80

Explanation:
The mean of the distribution of sample means always target the population mean. What this line tells is that whatever the population mean will be, the mean of the distribution of sample means will be same. Since the population mean is 80, the mean of distribution of sample means will also be 80.

However, the standard deviation of the sample distributions is different and is equal to the population standard deviation divided by square root of sample size. So in this case the standard deviation of distribution of sample means will be 6 .

4 0

3 years ago

Diana purchases 6 pounds of strawberries and 4 pounds of apples for 18.90. Then she realized that this was not enough and purcha

Veronika [31]

6 pounds of strawberries for x pounds and 4 pounds of apples for y pounds. = $18.90.
6x + 4y = 18.90
Then, you add 3 more pounds of each fruit which equals $10.17.
3x + 3y = 10.17
Then you multiply by -2 which is (-6x) - 6y = -20.34. After that, you add that (read carefully) you would do this. (-6x) + 6x - 6y + 4y = -20.34 + 28.90.
-2y = -1.44 divided by -2.
Y = -1.44/-2
Y = $0.72 per pound of apples.Now, plus in the value of Y in equation 2.
3x + 3y = 10.17
3x + 3 * 0.72 = 10.17.
3x + 2.16 = 10.17
-2.16
3x = 10.17 - 2.16
3x = 8.06 /3

Int total, X = $2.68 per pound of strawberry. Hope this helps just read it carefully.

4 0

3 years ago

Simplify (x - y + 1) - (x + y - 1). 2x - 2y + 2 -2y + 2 2y - 2 -2x + 2y

ANTONII [103]

$(x - y + 1) - (x + y - 1) \\ \\ x - y + 1 - x - y + 1 \\ \\ (x - x) + (-y -y) + (1 + 1) \\ \\ -2y + 2 \\ \\ Answer: \fbox {-2y + 2}$

8 0

3 years ago

Read 2 more answers

Six pyramids are shown inside of a cube. The height of the cube is h units. Six identical square pyramids can fill the same volu

Amiraneli [1.4K]

The height of squared pyramid is $\frac{1}{3}h$ unit.

<h3>What is the volume of a cube?</h3>

A cube is a solid three-dimensional object with six square faces or sides, three of which meet at each vertex. One of the five Platonic solids, the cube is the only regular hexahedron. It contains 8 vertices, 6 faces, and 12 edges.

Volume of cube $= (side)^3 \ unit^3$