All categories

2 years ago

Which expression is a trinomial? 2x² + 2x - 4 7x^3 - 2X 50x 2x²

Mathematics

2 answers:

andreev551 [17]2 years ago

5 0

The first option: 2x^2+2x-4 since there are three terms

Rudik [331]2 years ago

5 0

The first one Bc it is the only one with three terms

You might be interested in

Is this always true, sometimes true, or never true?

IRINA_888 [86]

Answer:

This statement is sometimes true

7 0

1 year ago

On Sunday 440 people visited a museum that charges $9 for each child and $12.50 for each adult. If the museum earned $5,220 on t

alisha [4.7K]

Answer:

A) 360 adults

Step-by-step explanation:

c=quantity of child

a=quantity of adult

9c+12.5a=5220

a+c=440 then c=440-a

substitute for c

9(440-a)+12.5a=5220

3960-9a+12.5a=5220

reduce

3.5a=1260

a=360

3 0

2 years ago

Wayne is putting tools into a toolbox, one at a time. He wants to include a pair of pliers, a

Nikolay [14]

Answer:

5 different orders. hope this help

6 0

2 years ago

Y=3/4x - 6 find the x-intercept of the line

Ede4ka [16]

Answer:

The x intercept is (8,0)

Step-by-step explanation:

To find the x intercept set y = 0 and solve for x

Y=3/4x - 6

0 =3/4x - 6

6 = 3/4x

4/3 *6 = 4/3*3/4x

8 =x

The x intercept is (8,0)

4 0

2 years ago

Read 2 more answers

If x>2,then x2-x-6/x2-4=

statuscvo [17]

$\frac{x^2-x-6}{x^2-4}=(*)\\------------\\x^2-x-6=0\\a=1;\ b=-1;\ c=-6\\\Delta=b^2-4ac;\ \Delta=(-1)^2-4\cdot1\cdot(-6)=1+24=25\\\\x_1=\frac{-b-\sqrt\Delta}{2a};\ x_2=\frac{-b+\sqrt\Delta}{2a}\\\\x_1=\frac{1-\sqrt{25}}{2\cdot1}=\frac{1-5}{2}=\frac{-4}{2}=-2\\\\x_2=\frac{1+\sqrt{25}}{2\cdot1}=\frac{1+5}{2}=\frac{6}{2}=3\\\\x^2-x-6=(x+2)(x-3)$
$---------------------\\x^2-4=x^2-2^2=(x-2)(x+2)\\-------------------\\\\(*)=\frac{(x+2)(x-3)}{(x-2)(x+2)}=\frac{x-3}{x-2}$

6 0

2 years ago