3 years ago

Find the vertex: -4x² + 16x - 7

Mathematics

1 answer:

guapka [62]3 years ago

7 0

Find the vertex: -4x^2 + 16x - 7

Vertex = ( x, f(x)).

x = -b/2a

x = -16/2(-4)

x = -16/-8

x = 2

f(x) = -4x^2 + 16x - 7

Let x = 2

f(2) = -4(2)^2 + 16(2) - 7

f(2) = -4(4) + 32 - 7

f(2) = -16 + 32 - 7

f(2) = 16 - 7

f(2) = 9

Vertex = (2, 9)

You might be interested in

A bag is full of green pieces of paper and yellow pieces of paper. A player collects data by drawing pieces of paper from a bag.

melisa1 [442]

B. Hope it Helps
#CoL

4 0

3 years ago

1+10=10 2+20 =20 3+30=28 4+40=32 5+50=28 6+60=?

aniked [119]

Hey! Your answer is here!

The answer to the problem is 10.

Hope this helps! :)

6 0

2 years ago

Danielle drives from her home to the store at an average speed of 40 miles per hour. She returns home along the same route at an

wolverine [178]

she drove 40 mph & 60 mph

60 +40 = 100

100/2 = 50

so she drove an average of 50 mph

5 0

3 years ago

Please help me. i am having a bit of trouble.

bulgar [2K]

Answer:dont think this right i just need to do this

Step-by-step explanation:its 3

7 0

2 years ago

Read 2 more answers

618 runners registered for the marathon. Of these runners 0.8% completed the race in under 2 hr 15 min. a) how many runners comp

umka21 [38]

Answer:

Exact = 4.944 Rounded = about 5 Reality = 4 since there can’t be 99.4% of an human.

Step-by-step explanation:

0.8/100 = x/618

618(0.8) = 100x

494.4 = 100x

/100. /100

x = 4.944

7 0

3 years ago

Find the vertex: -4x² + 16x - 7​

Find the vertex: -4x² + 16x - 7