3 years ago

Which equation is graphed below?

Mathematics

1 answer:

mina [271]3 years ago

3 0

Y= 2x-4

Y Intercept is -4 and slope is 2

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A student was given the equation x^2+2x-16=0 to solve by completing the square. The first step that was written is shown below.

AlexFokin [52]

Answer:

$x_{1}=-1+\sqrt{17},\:x_{2}=-1-\sqrt{17}$

Step-by-step explanation:

Quadratic Equation Given:

$x^2+2x-16=0$

$x^2 + 2x=16$

$c=\left( \frac{b}{2} \right)^2$

$x^2 + 2x+1=16+1$

$(x+1)^2=17\\$

$x+1=\pm \sqrt{17} \\$

$x=-1 \pm \sqrt{17} \\$

$x_{1}=-1+\sqrt{17},\:x_{2}=-1-\sqrt{17}$

7 0

4 years ago

Please help a. 6 b. 4 c. 8 d. 2

Ne4ueva [31]

Answer:

Step-by-step explanation:

The base angles PHJ and PJH are congruent , meaning ΔaPHJ is isosceles and so

HP = JP, thus

3x - 6 = x + 2 ( subtract x from both sides )

2x - 6 = 2 ( add 6 to both sides )

2x = 8 ( divide both sides by 2 )

x = 4

Hence

HP = 3x - 6 = (3 × 4) - 6 = 12 - 6 = 6 → a

5 0

3 years ago

Can someone answer this just tell the option

MArishka [77]

Answer:

$11 \geqslant x$

11 a

6 0

4 years ago

Ayita made 5 1/2 cups of trail mix. She want to divide the trail mix into 3/4 cup servings.How many servings will she have?

lara [203]

Answer:

Step-by-step explanation:

3 0

4 years ago

Dan had 7 dimes in his bank his dad gave him 9 more dimes how many dimes does Dan have now

timofeeve [1]

Answer:

16 dimes

Step-by-step explanation:

He already has 7, and got 9 more, so we can add 7 and 9

7+9 =16

So, Dan has 16 dimes now

Hope this helps! :)

3 0

3 years ago