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mina [271]
3 years ago
10

Find the zeros of y = x2 - 6x- 4 by completing the square.

Mathematics
2 answers:
Schach [20]3 years ago
8 0

Answer:

x= 3 plus the square root of 13 or x= 3 minus the square root of 13.

Step-by-step explanation:

Hope this helps!

Ilya [14]3 years ago
4 0
X=+3 cuz you need to find factors of -4 to add up to -6
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If x = -3, calculate the value of: 2x2 + x
user100 [1]
At x=-3:

2x^2+ x
= 2(-3)^2+ (-3)
= 2*9 -3
= 18 -3
= 15

The value of 2x^2+ x is 15 if x=-3~
8 0
3 years ago
Find the variables in the table.
Andru [333]
4, 26 first is e second is f
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3 years ago
Which of the following numbers is not a perfect square? <br> 49 124 169 361
meriva

Answer: 124

Step-by-step explanation:  7^2=49; 13^2=169; 19^2=361. Only 124 cannot be expressed as a square of an integer.

5 0
2 years ago
Read 2 more answers
For the table below, determine the function rule, and find each of the missing y-values.
anygoal [31]
The answer is 8 and 13

<span>
y = ax + b
y = 4, x = 1        </span>⇒  4 = a + b
y = 6, x = 3       ⇒  6 = 3a + b

Solve the system of equation:
a + b = 4
3a + b = 6
______
b = 4 - a
3a + b = 6
______
3a + 4 - a = 6
2a + 4 = 6
2a = 6 - 4
2a = 2
a = 2/2 = 1
b = 4 - a = 4 - 1 = 3

So, the function rule is: y = x + 3

Thus, if x = 7, then y = 7 + 3 = 10
If x = 10, then y = 10 + 3 = 13


x y
1 4
3 6
4 7
5 8
7 10
10 13
6 0
3 years ago
Which point is an x-intercept of the quadratic function f(x) = (x + 6) X – 3)?
Anni [7]

Answer:

(-6, 0) and (3, 0)

Step-by-step explanation:

I think you meant f(x) = (x + 6)(x - 3).  This graph intersects the x-axis in two places:  (-6, 0) and (3, 0).  These are the "x-intercepts."

5 0
3 years ago
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