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3 years ago

Given the point (-1, 1) and the slope 4, write the equation of the line in slope-intercept

Mathematics

1 answer:

lilavasa [31]3 years ago

5 0

Answer:

y=4x+5

Step-by-step explanation:

Slope intercept is y=mx+b. y=y-value, m=slope, x=x-value and, b=y-intercept.

With the information given we can plug some numbers into the equation: 1=4(-1)+b

Solving for b we get, {4(-1)=-4, -4--4=0, 1--4=5} 5=b. Therefore, B is equal to 5.

Plug that into the original problem: y=4x+5 and re-add the plot point 1=4(-1)+5 and solve to verify the answer.

After solving, {4(-1)=-4+5=1} we get 1=1 which is a true statement.

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2 years ago

Donald bought a box of golf balls for $9.27. There were 18 golf balls in the box.

wlad13 [49]

Answer:

Each golf ball costs about $2.

Step-by-step explanation:

Given:

Donald bought a box of golf balls for $9.27. There were 18 golf balls in the box.

Rename the decimal dividend as a whole number that is compatible with the divisor to estimate the quotient.

Now, to find the cost of each golf ball.

As given:

Rename the decimal dividend as a whole number that is compatible with the divisor to estimate the quotient.

As, the cost of golf ball box = $9.27.

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3 0

3 years ago

HELP PLEASE!!!!

kumpel [21]

Answer:

The rational numbers are $\frac{11}{3}, 6.25, 0.01045,\sqrt{\frac{16}{81}},0.\bar{42}$ and the irrational functions are $\sqrt{48},\sqrt{\frac{3}{16}}$ .

Step-by-step explanation:

A rational number can be expressed in the form of $\frac{p}{q}$ , where p and q are integers and q is not equal to 0. For example $2,3.5,\frac{2}{5},...$ .

An irrational function can not be expressed in the form of $\frac{p}{q}$ , where p and q are integers and q is not equal to 0. For example $\sqrt{2},\sqrt{3},\sqrt{5},...$ .