3 years ago

Write the equation of the following line in slope-intercept form.

Mathematics

1 answer:

yuradex [85]3 years ago

6 0

Answer: x=2

Step-by-step explanation: Since x=2 is a vertical line, there is no y-intercept and the slope is undefined.

Slope: Undefined

y-intercept: No y-intercept

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Select the two values of x that are roots of this equation. 2x+11x+15= 0

Amiraneli [1.4K]

Answer:

The roots of the equation are x=-3 and x=-2.5

Step-by-step explanation:

The correct quadratic equation is

2x^2+11x+15=0

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$2x^{2} +11x+15=0$

$a=2\\b=11\\c=15$

substitute in the formula

$x=\frac{-11(+/-)\sqrt{11^{2}-4(2)(15)}} {2(2)}$

$x=\frac{-11(+/-)\sqrt{121-120}} {4}$

$x=\frac{-11(+/-)\sqrt{1}} {4}$

$x=\frac{-11(+/-)1} {4}$

$x_1=\frac{-11(+)1}{4}=-2.5$

$x_2=\frac{-11(-)1}{4}=-3$

therefore

The roots of the equation are x=-3 and x=-2.5

5 0

3 years ago

How do i simplify 3√96×√98

Vera_Pavlovna [14]

3√96 * √98 = 12√6 * 7√2 = 84√12 = 168√3

5 0

3 years ago

work out the circumference of this circle take pie to be 3.142and give your number to 1 decimal place and the radius is 11.2cm

harina [27]

Circumference is 2*pi*r
2 * 3.142 * 11.2 = 70.3808, to 1 decimal place is 70.4cm^2

6 0

3 years ago

Read 2 more answers

How do you simplify 2+-2<img src="https://tex.z-dn.net/?f=%5Csqrt%7B6%7D" id="TexFormula1" title="\sqrt{6}" alt="\sqrt{6}" align

ehidna [41]

1+(put the little sign)6

that should be the answer, good luck.

7 0

3 years ago

Please give me the right answer?

baherus [9]

(5 3/10) (m) + (5 3/10) (m) + (5 3/10) (m) + (5 3/10) (m)

P = 53/10 + 5 3/10 + 5 3/10 + 5 3/10

P = 53/10 + 53/10 + 5 3/10 + 5 3/10

P = 53/5 + 5 3/10 + 5 3/10

P = 53/5 + 53/10 + 5 3/10

P = 159/10 + 5 3/10

P = 159/10 + 53/10

P = 106/5

P = 21 1/5 meters

Answer: 21 1/5 meters (Decimal: 21.2m)

Hope that helps!!!! Have a great day!!!! : )

7 0

3 years ago