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kvv77 [185]
2 years ago
6

The graph of y=x^2 +4x + 3 is shown

Mathematics
2 answers:
Kipish [7]2 years ago
6 0

Answer:

a) -2, -1

b) (-3,0) and (-1,0)

Phantasy [73]2 years ago
3 0

Answer

Step-by-step explanation:

b)x=-1,-3

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HURRRY DUE IN 1 HR HEEELLLLPPP
SVETLANKA909090 [29]

Answer:

3* 2*3*2 is n

Step-by-step explanation: well find a way to put 3 and 2 two times in expressions and expressions have no equal signs steer clear of that.

3 0
3 years ago
Write in standard form 2+4i over 1+i
Levart [38]
So hmm a conjugate, is pretty much just, the same binomial, but with a different sign in the middle, so, a + b, has a conjugate of a - b
or -a + b, has a conjugate of - a  - b, or c - d, has a conjugate of c +d, and so on

anyway, the idea being, to "rationalize" the expression, namely, getting rid of the pesky radical in the denominator

so, we'll multiply the expression by 1, since anything times 1 is just itself

however, bear in mind, that 1, can be a/a, or b/b, or cheese/cheese, or anything/anything

so, we'll multiply the top and bottom of the fraction, by the conjugate of the denominator

anyhow, that said   \bf \cfrac{2+4i}{1+i}\cdot \cfrac{1-i}{1-i}\implies \cfrac{(2+4i)(1-i)}{(1+i)(1-i)}\implies \cfrac{2-2i+4i-4i^2}{1-i^2}\\\\
-----------------------------\\\\
\textit{recall that }i^2=-1\\\\
-----------------------------\\\\
 \cfrac{2-2i+4i-4(-1)}{1-(-1)}\implies \cfrac{2+2i+4}{2}\implies \cfrac{6+2i}{2}\implies \cfrac{6}{2}+\cfrac{2i}{2}
\\\\\\
\boxed{3+i}
7 0
2 years ago
Each diagram shows △ABC and △DEF on the coordinate plane, with ∠A ≅ ∠E,
garik1379 [7]

Answer:

they are not congruent

Step-by-step explanation:

6 0
2 years ago
Find the perimeter of a square of sides 10.5cm​
astraxan [27]

Answer:

42 cm

Step-by-step explanation:

A square has 4 equal sides. To find the perimeter, add all side lengths together.

1. Set up the equation and solve

10.5 + 10.5 + 10.5 + 10.5 = 42

6 0
3 years ago
Read 2 more answers
Match each function with its domain.
kari74 [83]

What you meant was range. The range scales from top to bottom. You can know this by graphing and practicing memorizing these function's domain and range.

Function:                  Range:

f(x) = -√x                    y ≤ 0

p(x) = ∛2-x          All real numbers

w(x) = 2 + √x             y ≥ 2

r(x) = -2 + √2-x          y ≥ -2

k(x) = 2 - √x               y ≤ 2

v(x) = √-x                   y ≥ 0

8 0
3 years ago
Read 2 more answers
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