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aev [14]
4 years ago
8

Jubal wrote the four equations below. He examined them, without solving them, to determine which equation has no solution.

Mathematics
2 answers:
madreJ [45]4 years ago
5 0

Answer:

3x+2=3x-2

Step-by-step explanation:

The second equation has no solution, because is not true

so

3x+2=3x-2 ------> is not true

therefore

The equation has no solutions

Ilya [14]4 years ago
4 0

Answer:

3x+2=3x-2

Step-by-step explanation:

When an equation has no solution there's no true value for x. What we have is a Contradiction, a false answer.

1)The first and the last equation has a true solution in the form:

0x=0

True

2)The third one has a solution:

x=7

True

3) The second one

3x+2=3x-2\\0x=-4

FALSE

A Contradiction. Then, this one has no solution.

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Which polynomial could have the following graph?
katrin2010 [14]

ANSWER

y=(x+3)(x-1)(x-5)

EXPLANATION

The given polynomial has x-intercepts at x=-3,x=1,x=5

These are called the zeros of this polynomial.

We can use the factor theorem to obtain the polynomial in factored form.

The polynomial in factored form is of the form

y=a(x+3)(x-1)(x-5)

The polynomial rises on the left and keep rising on the right.

This implies that, the 'a' is positive.

Therefore

y=(x+3)(x-1)(x-5)

The correct choice is the first option.

8 0
4 years ago
7 3/9 - 2 4/9 =<br>11 3/4 - 5 1/4 =​
jeka57 [31]

1.)

7 \frac{3}{9}  - 2 \frac{4}{9}  \\  =  \frac{66}{9}  -  \frac{22}{9}  \\  =  \frac{44}{9}  \\  = 4 \frac{8}{9}

2.)

11 \frac{3}{4}  - 5 \frac{1}{4}  \\  =  \frac{47}{4}  -  \frac{21}{4}  \\  =  \frac{26}{4}  \\  =  \frac{13}{2}  \\  = 6 \frac{1}{2}

<em>Hope it helps and is useful :)</em>

6 0
4 years ago
The graph of a certain quadratic function does not cross the x-axis. Which of the following are possible values for the discrimi
irinina [24]
The graph of a quadratic function does not cross the x-axis if the discriminant has negative value.
Answers:
C ) -25
D ) -7
3 0
3 years ago
Is y=-x+11 a function
Temka [501]

Answer:

Yes

Step-by-step explanation:

It is a straight line so no x values repeat

8 0
4 years ago
Read 2 more answers
Name three points that are collinear. Assume angle TSR is not a straight angle.
skelet666 [1.2K]

Answer:

TS, SR, and TR are all co-linear

Step-by-step explanation:

Regardless of where the points lie, you can connect a line segment from point T to point S, so TS are co-linear

The same goes for point S to point R

The same goes for point T to point R

The definition of a line is the shortest distance through 2 points in space, so you can make a line between any 2 points.

3 0
4 years ago
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