3 years ago

Which of the following cannt be solved using the quadratic formula?

Mathematics

1 answer:

Katarina [22]3 years ago

8 0

Answer:

C. 2x+3=0 cannot be solved using the quadratic formula.

Step-by-step explanation:

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Alonzo, Alice, and Juan all solved the following problem but got different answers:

r-ruslan [8.4K]

Answer:

Juan believes the answer is -2/15.

Step-by-step explanation:

The given problem is :

$\dfrac{-1}{3}\times \dfrac{2}{5}$

We need to solve the problem.

$\dfrac{-1}{3}\times \dfrac{2}{5}=\dfrac{-1\times 2}{3\times 5}\\\\=\dfrac{-2}{15}$

So, the answer to the problem is $\dfrac{-2}{15}$ . Hence, Juan is correct.

5 0

3 years ago

Graph the linear equation 6x-2y=12

Bezzdna [24]

Subtract both sides from 6x, leaving you with the equation:

-2y=-6x+12

Now, you divide all of the sides by -2, therefore leabing you with the equation:

y=3x-6

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3 years ago

Timothy evaluated the expression using x = 3 and y = –4. xy-2 3x2y−4 1. (1 3 )x−1y2 2. (1 3 )3−1(−4)2 3. (1 3 )(1 31 )(−4)2 4. (

Sergio039 [100]

If this is for E2020 the answer is
D)No, his value of should be positive because an even exponent indicates a positive value.
thats why it was wrong

5 0

3 years ago

Read 2 more answers

PLEASE HELP!!!! Solve the system of equation. Write the solution as a coordinate point.

Dovator [93]

We can just substitute y = 4x+1 in the second equation.

$6x-2(4x+1)=-3\\6x-8x-2=-3\\6x-8x-2+3=0\\-2x+1=0\\-2x=-1\\x=\frac{1}{2}$

We know the value of x, substitute x in any equations to get the y-value.

$4x+1=y\\4(\frac{1}{2})+1=y\\2+1=y\\3=y$

The value of y is 3 and the value of x is 0.5 aka 1/2

Since you want the solution as a point then It's below here.

5 0

3 years ago

Write the numbers in order from least to greatest. 0.3.0.5.-1.6.-1.35

Tju [1.3M]

-1.6
-1.35
0.3
0.5
Top to bottom, top is the lowest

4 0

3 years ago