All categories

3 years ago

Find the y-intercept for the parabola defined by this equation: y= 4x2 – 7x-2

Mathematics

2 answers:

Marina CMI [18]3 years ago

3 0

Answer:

(0,-2); The y-intercept is y=-2.

Step-by-step explanation:

Recall that the y-intercept is simply (0, y). In other words, we simply need to plug zero into the equation to acquire the y.

Thus:

$y=4x^2-7x-2$

$y=4(0)^2-7(0)-2$

$y=-2$

ivann1987 [24]3 years ago

3 0

Answer:

Step-by-step explanation:

You might be interested in

What's the value of x ?

Helen [10]

the formula for the Pythagorean theorem is a squared plus b squared is equals to c squared we don't have our a so it will be 8 * 8 =64which is 64 is equals to 10 * 10 which is 100 - 64 is equals to 36 then you square root do square roots the 36 which is 6

5 0

3 years ago

What is the area of triangle SRT

vfiekz [6]

Answer:9 square units

Step-by-step explanation:

6 0

3 years ago

For every 3 wrapped packages Mary uses 1/2 roll of wrapping paper how many packages can she wrap with 2 1/2 rolls of wrapping pa

8_murik_8 [283]

Answer:

15 packages

Step-by-step explanation:

Set up a proportion, where x is the number of packages she can wrap with 2.5 rolls of wrapping paper:

$\frac{3}{0.5}$ = $\frac{x}{2.5}$

Cross multiply and solve for x:

0.5x = 7.5

x = 15

So, with 2.5 rolls of wrapping paper, she can wrap 15 packages

8 0

3 years ago

"My friend here Justin, he's already taken, and he's cracked at Fornite my guy.

Paraphin [41]

Answer:

Yes I agree

Step-by-step explanation:

This clip is truly a masterpiece, there's not a single part of it that I would change. Especially the tone and the narrator's voice, it perfectly compliments what's being said. The emotion in the voice is utter perfection and this clip shall remain a beautiful part of my friend group's jokes. Justin is indeed cracked at fortnite my guy.

6 0

2 years ago

Read 2 more answers

Jason spent a third of his allowance going to the movies. He washed the family car and earned nine dollars. What is his weekly a

IRISSAK [1]

Answer:

Jason's weekly allowance is $14.

Step-by-step explanation:

Given:

earnings: 7

total earnings left : 14

weekly allowance = x

cost of movies = x/2

total earnings left 14

less: cash wash earning - 7

allowance after movies 7

divide by: 1/2 ÷1/2

weekly allowance 14

7 0

3 years ago