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3 years ago

Write the function shown in the graph

Mathematics

1 answer:

Kamila [148]3 years ago

8 0

Answer:

$y=\begin{array}{cc} \{ & \begin{array}{cc} 3 & x\leq -2 \\ 1 & x> -2 \end{array}\end{array}$

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Determine if (-2,6) and (4,12) are solutions to the system of equations:

kykrilka [37]

Answer:

Both $(-2,6)$ and $(4,12)$ are solutions to the system.

Step-by-step explanation:

In order to determine whether the two given points represent solutions to our system of equations, we must "plug" thos points into both equations and check that the equality remains valid.

Step 1: Plug $(-2,6)$ into $y=x+8$

$(6) = (-2)+8 = 6$

The solution verifies the equation.

Step 2: Plug $(-2,6)$ into $2y=x^2 + 8$

$2(6) = (-2)^2+8=4+8=12$

The solution verifies both equations. Therefore, $(-2,6)$ is a solution to this system.

Now we must check if the second point is also valid.

Step 3: Plug $(4,12)$ into $y=x+8$

$(12) = (4)+8 = 12$

Step 4: Plug $(4,12)$ into $2y=x^2 + 8$

$2(12) = (4)^2+8=16+8=24$

The solution verifies both equations. Therefore, $(4,12)$ is another solution to this system.

3 0

3 years ago

Can somebody plsss find the slop ASAP!!!!!

Oksanka [162]

Answer:

$m=-2$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point (0, 0)

Point (1, -2)

Step 2: Find slope m

Substitute: $m=\frac{-2-0}{1-0}$
Subtract: $m=\frac{-2}{1}$
Divide: $m=-2$

6 0

3 years ago

Plz, Help me with this question!

guapka [62]

Answer:

G. 12

Step-by-step explanation:

Rachel = x

Trina = y

x = 2y - 6

x = (2x9) - 6

x = 18 - 6

x = 12

6 0

3 years ago

Which function has a vertex at the origin?

Wewaii [24]

Answer:

f(x) = –x2

Step-by-step explanation:

mhmhmhmhmhmhmhmhmhmhmhmhmhmhmhmhmhmhmh...

6 0

3 years ago

Simplify the sum 4 / m+9 + 5 / m^2 -81 Please help! Will mark brainliest if its right!

slamgirl [31]

m2 + 4m + 5 ——————————— m2

8 0

3 years ago