3 years ago

What are the zeros for the quadratic equation 2x2 - 9x-5 = 0?

Mathematics

1 answer:

ziro4ka [17]3 years ago

5 0

Answer:

x = 5 or x = - 1/2

Step-by-step explanation:

2x² - 9x-5 = 0

(x -5) (2x + 1) = 0

x = 5 or x = - 1/2

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Find the slope of the line (18,0)(10,-5)

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Answer:

$m=\frac{5}{8}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (18, 0)

Point (10, -5)

Step 2: Find slope m

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

Substitute [SF]: $m=\frac{-5-0}{10-18}$
Subtract: $m=\frac{-5}{-8}$
Simplify: $m=\frac{5}{8}$

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