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3 years ago

Which of the following functions will have a graph with an axis of symmetry at x=1 and an intercept at the origin?

Mathematics

1 answer:

zlopas [31]3 years ago

4 0

I think the correct answer is b

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A line with a slope of -2/5 that passes through the point (-10,8)

slamgirl [31]

Step-by-step explanation:

$m = - \frac{2}{3} \\ ( - 10 ,\: 8) = (x_1,y_1)$

$y-y_1=m(x-x_1)$

Plug in the values into the equation

$y - 8 = - \frac{2}{3} (x - ( - 10)) \\ y - 8 = - \frac{2}{3}( x + 10) \\$

$y - 8 = - \frac{2}{3} x - \frac{20}{ 3 } \\ y = - \frac{2}{3} x - \frac{20}{3} + 8 \\$

$y = - \frac{2}{3} x + \frac{4}{3}$

To solve for x-intercept , Arrange the values in

$ax + by + c = 0$

$- \frac{2}{3} x - y + \frac{4}{3} = 0$

To find x-intercept .let y = 0 in the above equation

$- \frac{2}{3} x - y + \frac{4}{3} = 0 \\ - \frac{2}{3} x - 0 + \frac{4}{3} = 0 \\$

$- \frac{2}{3} x + \frac{4}{3} = 0 \\ - \frac{2}{3} x = - \frac{4}{3}$

Solve for x ;

$x = 2$

To find y intercept , let x = 0

and solve for y .

I hope it helps <3

7 0

3 years ago

Read 2 more answers

Can somebody help me please??

Komok [63]

Answer:

A is the corrrect answer

Step-by-step explanation:

I have done this questiob befor4

3 0

3 years ago

Read 2 more answers

What are the zeros of f(x) = x2 - 12x+ 36?

Ket [755]

Answer:

Step-by-step explanation:

x^2-12x+36

type into desmos and see where it touches the the line

6 0

3 years ago

8 A television show uses 15 minutes of every hour for commercials, leaving

Mars2501 [29]

C 1:3

15:45 can be simplified by dividing by 15 to give you a ratio of 1minute if commercials for every 3 minutes of the actual show

8 0

3 years ago

In zanders class,80% of the students are girls. There are 24 girls in the class. What is the total number of students in Zander'

lana [24]

Answer:

A. 30

Step-by-step explanation:

30*.08=24

5 0

3 years ago