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Grace [21]
3 years ago
15

Choose the correct vertex for the following quadratic function.

Mathematics
2 answers:
frez [133]3 years ago
7 0

Answer:

U (2,-1)

Step-by-step explanation:

if you replace x to 2, your answer will come out to be -1

liberstina [14]3 years ago
6 0
Answer:

(2,-1)

Explanation:
Formula h= - b/2a
h= -4/2*1
So h= 2 and a=-1
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O 12 units<br> O 15 units<br> O 20 units<br> O 25 units
nadezda [96]

Answer:

12 units

Step-by-step explanation:

Because the two triangles are similar:

\dfrac{x}{9}=\dfrac{16}{x} \\\\\\\dfrac{x^2}{9}=16 \\\\\\x^2=144 \\\\\\x=12

Hope this helps!

3 0
3 years ago
Find an equation of the line having the given slope and containing the given point.
mart [117]

Answer:

y=8x-69

Step-by-step explanation:

you would use the equation y-y1 = m (x - x1)

plug in m = 8 , y1 = 3, x1 = 9

now you have y - 3 = 8 (x-9)

distribute 8 --> y-3 = 8x - 72

add three to both sides to get y = 8x - 69

6 0
3 years ago
Make t the subject of the formula q=2-4t/t+3
stira [4]

Answer:

q. (3+t)=2-4t

q.3+q.t=2-4t

4t+q.t=2-3q

t (4+q)=2-3q

t=2-3q/4+q

Step-by-step explanation:

PLZZ MARK AS BRAINLIEST!!!!!

8 0
3 years ago
Blank - 2 1/3 = 3 1/3 please help I need to finish my homework :(
mafiozo [28]
The answer is 3 1/3 + 2 1/3 = 5 2/3
7 0
3 years ago
Read 2 more answers
Dario buys applesauce for a family reunion. He needs 23 cups, and he buys them in packs of 6. How many packs does Dario need?
hodyreva [135]
He has to buy 4 packs. If you divide 23 by 6, you get 3.833 but you can’t buy a fraction of a pack so you have to round up and buy 4 packs. Hope this made sense; I can explain further if needed!
4 0
3 years ago
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