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Yuki888 [10]
3 years ago
9

Students are finding it difficult to determine if a certain graph is a function. Which is the BEST strategy for the students to

use? A) vertical line test B) horizontal line test C) make a table of values D) passes through the origin
Mathematics
1 answer:
tekilochka [14]3 years ago
6 0

Answer:

A) vertical line test



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Which equation is equivalent to the given equation? x^2+16x=22
Vaselesa [24]

Answer:answer is a (x+8)^2=86

Step-by-step explanation:

x+8=±√

​86

​

​​

2 Break down the problem into these 2 equations.

x+8=\sqrt{86}x+8=√

​86

​

​​

x+8=-\sqrt{86}x+8=−√

​86

​

​​

3 Solve the 1st equation: x+8=\sqrt{86}x+8=√

​86

​

​​ .

x=\sqrt{86}-8x=√

​86

​

​​ −8

4 Solve the 2nd equation: x+8=-\sqrt{86}x+8=−√

​86

​

​​ .

x=-\sqrt{86}-8x=−√

​86

​

​​ −8

5 Collect all solutions.

x=\sqrt{86}-8,-\sqrt{86}-8x=√

​86

​

​​ −8,−√

​86

​

​​ −8

x

​2

​​ +16x−22=0

2 Use the Quadratic Formula.

x=\frac{-16+2\sqrt{86}}{2},\frac{-16-2\sqrt{86}}{2}x=

​2

​

​−16+2√

​86

​

​​

​​ ,

​2

​

​−16−2√

​86

​

​​

​​

3 Simplify solutions.

x=-8+\sqrt{86},-8-\sqrt{86}x=−8+√

​86

​

​​ ,−8−√

​86

​

​​

6 0
3 years ago
A bag holds 5.8lb of corn. How many pounds do 2.5 bags hold
gayaneshka [121]

ANSWER:

14.5 pounds

STEP-BY-STEP EXPLANATION:

We know the capacity of each bag, therefore, we can calculate the capacity of 2.5 bags, multiplying by the capacity of one, like this:

\begin{gathered} c=5.8\cdot2.5 \\  \\ c=14.5\text{ lb} \end{gathered}

Which means 2.5 bags contain a total of 14.5 lbs.

3 0
1 year ago
The manager at a concert venue keeps track of the number of adult tickets and student tickets sold each day and the total money
poizon [28]

Answer: the number of adult and student tickets sold are (45, 29)

Step-by-step explanation:

Let x represent the number of adult tickets that were sold.

Let y represent the number of student tickets that were sold.

On Wednesday, a total of 74 tickets were sold. This means that

x + y = 74

x = 74 - y- - - - - - - - - - - - - - 1

If adult tickets are sold for $15 and student tickets are sold for $11 and the money collected was $994, it means that

15x + 11y = 994- - - - - - - - - - - - - - 2

Substituting equation 1 into equation 2, it becomes

15(74 - y) + 11y = 994

1110 - 15y + 11y = 994

- 15y + 11y = 994 - 1110

- 4y = - 116

y = - 116/ - 4

y = 29

Substituting y = 29 into equation 1, it becomes

x = 74 - 29 = 45

6 0
3 years ago
Which of the h-values satisfy the following inequality 6 ( greater than or equal to sign ) h/2?
Amiraneli [1.4K]

Start from

6 \geq \dfrac{h}{2}

Multiply both sides by 2:

12 \geq h

Which you can rewrite as

h \leq 12

7 0
3 years ago
Please solve this for me!
tatuchka [14]

Step-by-step explanation:

To find the slope between two given points you use the equation:

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

(8,10) are (x_{1},y_{1})

(16,24) are (x_{2},y_{2})

After that you just plug in:

m=\frac{24-10}{16-8}

m=\frac{14}{8}

Simplify:

<h2><u><em></em></u>m= \frac{7}{4}<u><em></em></u></h2>

Answer:

The slope is \frac{7}{4} for #1

7 0
3 years ago
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