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blondinia [14]
3 years ago
13

Between which two ordered pairs does the graph of f(x) = one-halfx2 + x – 9 cross the negative x-axis?

Mathematics
2 answers:
Anit [1.1K]3 years ago
6 0

Answer:

Step-by-step explanation:

we have that

f(x) = x^2 + x - 9

Using a graph tool

see the attached figure

The function represent a vertical parabola that open up

the vertex is a minimum-------> is the point (-0.5, -9.3)

The x-intercepts are the points when the y coordinate is equal to zero

The x-intercepts are the points (-3.5, 0)  and (2.5, 0)

so

the function cross the negative x-axis at point

therefore, the answer is

(-4, 0) and (-3, 0)

k0ka [10]3 years ago
3 0

Answer:

(-6,0)(-5,0)

Step-by-step explanation:

You might be interested in
. Rotate 90 degrees- clockwise.
vfiekz [6]

Answer:

(4,-1), (2,-5), and (5,-5).

Step-by-step explanation:

There is a formula for rotating points about the origin counterclockwise; r90°(x,y) = (-y,x)

I never heard of a clockwise one before.

Maybe you can use this to help you find the formula for the clockwise rotation.

5 0
3 years ago
How many terms are in the binomial expansion of (3x 5)9?
Yuki888 [10]

the answer is C , 10

8 0
3 years ago
Read 2 more answers
wo competing companies are having sales on projectors. Projector #MD375 has a retail price of $1,200. The Office Spot is adverti
pshichka [43]

The amount of money that is saved by purchasing the projector at Office and beyond is $144.

<h3>How much money is saved?
</h3>

The first step is to determine the price of the projector at The Office spot.

Discounted price : (1 - 0.20) x $1200

0.80 x $1200 = $960

The second step is to determine the price of the projector at the Office and Beyond.

Discounted price : (1 - 0.15) x $960 = $816

Difference in price : 960 - 816 = $144

To learn more about how to calculate discounts, please check: brainly.com/question/26061308

#SPJ1

8 0
2 years ago
If 32^2c=8^c what is the value of c? 1 2 3 5
Elina [12.6K]

Answer:

  • as written, c ≈ 0.000979 or c = 4
  • alternate interpretation: c = 0

Step-by-step explanation:

<em>As written</em>, you have an equation that cannot be solved algebraically.

  (32^2)c = 8^c

  1024c = 8^c

  1024c -8^c = 0 . . . . . . rewrite as an expression compared to zero

A graphical solution shows two values for c: {0.000978551672551, 4}. We presume you're interested in c = 4.

___

If you mean ...

  32^(2c) = 8^c

  (2^5)^(2c) = (2^3)^c . . . . rewriting as powers of 2

  2^(10c) = 2^(3c) . . . . . . . simplify

  10c = 3c . . . . . . . . . . . . . .log base 2

  7c = 0 . . . . . . . . . . . . . . . subtract 3c

  c = 0 . . . . . . . . . . . . . . . . divide by 7

7 0
3 years ago
What is the answer ?
Fittoniya [83]

Answer:

Step-by-step explanation:

718+200+40=718+240=958

8 0
3 years ago
Read 2 more answers
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