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stira [4]
3 years ago
6

HURRY WILL MARK BRAINLIEST

Mathematics
2 answers:
Leokris [45]3 years ago
7 0

Answer:

A.

Step-by-step explanation:

We can eliminate answer choices by looking at several factors. If the parabola opens upward, there cannot be a negative number as 'a'. Recall that standard form of a parabola is y= ax² + bx + c.

Therefore, any choice that has a negative number as 'a' opens downward. This leaves answers A and C.

Next, for the parabola to appear narrower, it must have some kind of vertical stretch or horizontal compression. 'A' is the only choice that has a vertical stretch transformation done to the parabola. The correct answer is A.

NNADVOKAT [17]3 years ago
4 0

Answer:

A

Step-by-step explanation:

A parabola opening up will have a positive value for the a value in ax^2+bx+c form. Also, the larger the absolute value of the a value, the more narrow the parabola will appear.

Hope this helps!

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Please help me!<br><br> ty :)
dalvyx [7]

Answer:

x intercept= (-3,0)  y intercept= (0,3)

Step-by-step explanation:

for x intercepts, y should equal zero

for y intercepts, x should equal zero

x intercept: -x+0=3

-x=3

x=-3  (x,y)--> (-3,0)

y intercept: 0+y=3

y=3 (x,y)--> (0,3)

4 0
2 years ago
Read 2 more answers
Pls help i will mark brainlyest
Sergeeva-Olga [200]

Answer:

∠b=82°

Step-by-step explanation:

143°=∠c+∠b (exterior angle property)

143°=61°+∠b

∠b=143-61

∠b=82°

4 0
2 years ago
Write a math problem that includes multiplying decimals.Explain how you know where to place the decimal in the product.
disa [49]

Answer:

0.1 x 2 = 0.2

Step-by-step explanation:

when you multiply, you move the decimal once because there is one decimal place.

6 0
3 years ago
The measures of two angles of a triangle are 23 degrees,and 67 degrees.is the triangle acute,right,or obtuse?
Margaret [11]
Trick question — it’s a right triangle.  Here’s why:
23 + 67 = 90.  All triangles have an interior angle sum of 180.  180 - 90 = 90.  90 degrees is right, and therefore, having a right angle, this is a right triangle.
7 0
3 years ago
Let ​ f(x)=x2−16x+71 ​ .what is the vertex form of f(x)?what is the minimum value of f(x)? enter your answers in the boxes.
adell [148]
Your vertex is (8,7)

First find the x intercept
-2/2a

X = 16/2
X = 8

Substitute the value x and solve for y
Youd get 7

Hence
(8,7)
7 0
3 years ago
Read 2 more answers
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