$\bf -1=5x^2-2x\implies 0=5x^2-2x+1
\\\\\\
\begin{array}{llccll}
0=&{{ 5}}x^2&{{ -2}}x&{{ +1}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}
\\\\\\
discriminant\implies b^2-4ac
\implies (-2)^2-4(5)(1)$

7 0

2 years ago

What's the answer for p2 when p=25

Sever21 [200]

Answer is 625
Hope it helps :)

8 0

2 years ago

Read 2 more answers

What's slope Line pass through( 14, 4)( 21, 6 )

GarryVolchara [31]

Answer:

$\displaystyle m=\frac{2}{7}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (14, 4)

Point (21, 6)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m=\frac{6-4}{21-14}$
[Fraction] Subtract: $\displaystyle m=\frac{2}{7}$

6 0

2 years ago

Find the slope of the line containing (4, -2) and (-2, 3)

SashulF [63]

Answer:

-5/6

Step-by-step explanation:

3- -2 over -2-4

5/-6

4 0

3 years ago