dinonuggers420 dinonuggers420

03-06-2022
Mathematics

contestada

Which is the x-value of the solution of the system of equations? y=3x^2+15 y=5x^2-17

A. x=±1 B. x=±2
C. x=±4 D. x=±16

Respuesta :

fieryanswererft fieryanswererft

03-06-2022

Answer:

C. x = ±4

Explanation:

Given two equation's:

y = 3x² + 15
y = 5x² - 17

Solve them simultaneously:

y = y

3x² + 15 = 5x² - 17

5x² - 3x² = 15 + 17

2x² = 32

x² = 16

x = ±√16

x = ±4

Answer Link

Otras preguntas

Shall I compare thee to a summer's day? Thou art more lovely and more temperate: Rough winds do shake the darling buds of May, And summer's lease hath all to

A motor has a power of 7,150 foot-pounds per second. Find the horsepower of the motor. A) 8,599,000 B) 39,325,000 C) 8 D) 13

If the circumference of a circle is 64 inches, what is the diameter of the circle (to the nearest whole number) use 3.14 for pi

Round 1070 to the nearest hundredth

Nelson y Mildred el septiembre pasado. La boda fue maravillosa. Mi tía le muy grande al camarero. Mi padrastro hace un año. A Alejandra le gustan las gall

the number in a fraction that tells how many equal parts are in the whole or in a group

You can't take the square root of a negative number true or false

From his observations of the animal species on the Galapagos Islands, Darwin concluded that plants and animals ___________. cannot change adapt to their envir

Please help me with my short history homework, today has been a bad day. Please help me! :((((

The Committee of Public Safety sentenced anyone disloyal to the Revolution to death. T or F?