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Galina-37 [17]
3 years ago
14

Help pleaseee! I will give you brainliest

Mathematics
1 answer:
iren [92.7K]3 years ago
3 0

Answer:

The axis of symmetry is x= -2

Step-by-step explanation:

The axis of symmetry is found by

h = -b/2a   where ax^2 +bx+c

y = x^2 +4x-5

a = 1  b=4

h = -4/(2*1)

   = -4/2 = -2

The axis of symmetry is x= -2

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What is the x- intercept of the line?
valentinak56 [21]

Answer:

x-int=(-1,0) y-int=(0,2)

Step-by-step explanation:

because on the x axis (x,y) xis on 1 and on the y is on 2 so then fill in the blanks with a zero.

6 0
3 years ago
Read 2 more answers
What is the interval notation for the compound inequality? x≤−5 or x>4
Hoochie [10]

Answer:

(-\infty, -5] \cup (4,\infty)

Step-by-step explanation:

The symbol \cup is set notation for UNION--put two sets together into one set.

The first part of the interval notation describes x less than or equal to -5 -- notice the bracket symbol after -5, meaning include -5.

5 0
2 years ago
Im stuck please help solve these equasions much appreciated
borishaifa [10]

Answer:

Volume :

=1/3 a^2h

=1/3•1.5^2•50

= 104.16666666667 centimeters^3

Hope this helps you out and is what you were looking for! ☺

7 0
3 years ago
Suppose the y-intercept of an exponential function is positive and the common ratio (r) is greater than 1. For this graph, as x
Anna11 [10]

Answer:

Increase (A)

Step-by-step explanation:

If the common ratio is greater than 1, that means the y-value increases as the x-value increases.

If the common ratio is 1, that means the y-value stays the same as the x-value increases.

If the common ratio is between 0 and 1, that means the y-value decreases and approaches 0 ad the x-value increases.

Because the common ratio is greater than 1, the answer is A, increases

4 0
3 years ago
What is the directrix of the parabola defined by 1/4(y+3)=(x-2)^2
Charra [1.4K]
This is a parabola which opens upwards and the directrix will be of the form  
y = k

the general form is 

4p(y - k) = (x - h)^2   we have:-

1/4(y + 3) = (x - 2)^2

so the vertex is at (2, -3)

4p = 1/4  so p =  1/16

so the focus will be at (2 , -2 15/16)

and directrix is  y = -3 1/16
4 0
3 years ago
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