3 years ago

Which value must be added to the expression x^2– 3x to make it a perfect-square trinomial?

Mathematics

1 answer:

liraira [26]3 years ago

3 0

Answer:

$\frac{9}{4}$

Step-by-step explanation:

Given

x² - 3x

add ( half the coefficient of the x- term)²

x² + 2(- $\frac{3}{2}$ )x + (- $\frac{3}{2}$ )²

= (x - $\frac{3}{2}$ )² + $\frac{9}{4}$

You might be interested in

Can someone please help me?

Tems11 [23]

You are right correct

3 0

2 years ago

Divide 3x2 − 11x − 4 by x − 4

Nuetrik [128]

Answer:Factor by grouping.

Tap for more steps...

(

−

)

(

)

−

Reduce the expression by cancelling the common factors.

Tap for more steps...

Step-by-step explanation:

6 0

3 years ago

An apple pie uses 4 cups of apples and 3 cups of flour. An apple cobbler uses 2 cups of apples and 3 cups of flour. You have 16

vova2212 [387]

Both the x and y have to be greater than zero so you need to add two inequalities, x>0, y>0

5 0

3 years ago

Drako found an emerald in a cave at a depth between -1/2 and -1 2/3 meters which number could represent the depth which the emer

oksian1 [2.3K]

Answer:

$-\frac{3}{4}$ meters

Step-by-step explanation:

From the answer choices, we basically need to find which of them is between $-\frac{1}{2}$ and $-1\frac{2}{3}$

Converting all of them to decimals would make it really easier:

So we need to find number between -0.5 and -1.67

Answer choice A is -2.33

Answer choice B is -0.75

Answer choice C is -0.25

Answer chioce D is -1.83

So which number, from the choices, is between -0.5 & -1.67?

Clearly, it is -0.75, or, $-\frac{3}{4}$ meters

5 0

3 years ago

Read 2 more answers

He poured it into 8 jars. Each jar had the mixed number two and one fourth pints of water. What is the total amount of river wat

Ket [755]

Answer:

The Answer is 18

Step-by-step explanation:

2 1/4 X 8= 18

3 0

3 years ago