What is the main focus of lesson number 59?

Rearranging Equations and Functions

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Mathematics
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9th - 10th Grade
•
Hard

Thomas White
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solving quadratic equations
Factoring polynomials
Rearranging before substitution
Graphing linear equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is substitution used in solving systems of equations?
To eliminate variables
To simplify the equations
To find the values of x and y that make both equations true
To graph the equations
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in rearranging the equation X - 2y = -1?
Subtract 2y from both sides
Divide both sides by 2
Add 2y to both sides
Multiply both sides by 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After rearranging the equation X - 2y = -1, what is X equal to?
X = -1 + 2y
X = 1 + 2y
X = -1 - 2y
X = 2y - 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the next step after substituting X = -1 + 2y into the second equation?
Solve for y
Solve for x
Rearrange the second equation
Check the solution
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of applying the distributive property to 2(-1 + 2y)?
2 + 4y
-2 - 4y
2 - 4y
-2 + 4y
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of y when solving the first system of equations?
y = 8
y = 4
y = 6
y = 2
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