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Rina8888 [55]
4 years ago
15

Match each quadratic equation with its solution set. arrowRight arrowRight arrowRight arrowRight

Mathematics
2 answers:
quester [9]4 years ago
8 0

Answer:

1 is 7 2 is -3 3 is -2 4 is 3

Step-by-step explanation:

Need points

vova2212 [387]4 years ago
7 0

Answer:

Step-by-step explanation:

For this case we solve each of the equations:

Adding 32 to both sides of the equation:

Dividing between 2 on both sides of the equation:

Applying square root to eliminate the exponent:

Second equation:

Adding 100 to both sides of the equation:

Dividing between 4 on both sides of the equation:

Applying square root to eliminate the exponent:

Third equation:

Adding 55 to both sides of the equation:

Applying square root to eliminate the exponent:

Fourth equation:

Adding 140 to both sides of the equation:

Applying square root to eliminate the exponent:

Fifth equation:

Adding 18 to both sides of the equation:

2x ^ 2 = 18

Dividing between 2 on both sides of the equation:

Applying square root to eliminate the exponent:

Answer:

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How is the expression (5 + y) ⋅8 described by its factors and terms?
quester [9]
The correct answer is D) it has two factors and the factor (5+y) has 2 terms.

The factors are what are multiplied to make the expression.  In this expression, (5+y) and 8 are multiplied, so those are the 2 factors.

The factor (5+y) has two terms, 5 and y.
3 0
4 years ago
Given two vectors a⃗ =4.00i^+7.00j^ and b⃗ =5.00i^−2.00j^ , find the vector product a⃗ ×b⃗ (expressed in unit vectors). express
Alexxandr [17]
Raise your points up higher so ppl will actually help you
7 0
3 years ago
Write an equation in standard form for the line that goes through (5,-3) with a slope of 2/5
KATRIN_1 [288]

Answer:

y = 2/5x - 5

Step-by-step explanation:

y = 2/5x - 5

(If you go to desmos.com you can graph any equation. It really helps. I'm doing similar things in class, I use it all the time.)

3 0
3 years ago
Guided Practice
dexar [7]

Answer:

C.

{− 4 1/2, −3/4, 0}

Step-by-step explanation:

domain

-1/2;1/4; 2/5

range

-5 1/2; (5/4-2);0

{-1/2, 1/4, 2/5}

take the derivative of the equation 4 times. f 4 (x)=0.

6 0
3 years ago
Read 2 more answers
Match the solution set given in inequality notation with the solution set given in interval notation.
sasho [114]

Answer:

x≤7.8  ⇒(-∞;7.8]

x<7.8  ⇒ (-∞;7.8)

x>7.8  ⇒ (7.8; ∞)

x≥7.8  ⇒ [7.8; ∞)

Step-by-step explanation:

Hi, to answer this question we have to analyze each expression:

• x≤7.8

The solution is all the numbers less or equal to 7.8, since it can be equal to 7.8, it includes 7.8 , we have to use closed brackets

(-∞;7.8]

• x<7.8

All the numbers less than 7.8 , it excludes the endpoint , it's an open interval (parenthesis)

(-∞;7.8)

• x>7.8

All the numbers higher than 7.8, open interval (parenthesis)

(7.8; ∞)

• x≥7.8

All the numbers higher or equal to 7.8, closed interval (closed brackets for the endpoint)

[7.8; ∞)

4 0
3 years ago
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