Overview of
Systems of Equations
Systems of Equations
Solving Systems: Graphing
Solving Systems: Substitution
Scientific Notation
Functions
Random
200
What will every linear equation create when graphed in the coordinate plane?
a straight line
200
When should you use the graphing method to solve a system of linear equations?
when questions are written in slope-intercept form ...
when the equations are easy to graph
200
When should you use the substitution method to solve a system of linear equations?
when you already know the value of one variable
200
Which number is greater
2.7 x 1012 or 2.3 x 1017 ?
2.3 x 1017
(Always look at exponents first.)
200
What shape will the graph of this function be?
y = 2|x - 3|
V
200
What color is a ripe banana under a black light?
blue
400
At least how many equations will be in a system of linear equations?
At least 2 equations will be in a system of linear equations.
400
What is the solution to the system of linear equations?
(0,2)
400
What is the solution (x, y) to the system of linear equations?
5x+2=y
x=2
(2, 12)
400
Express this number in standard form.
5.301 x 107
53,010,000
400
For which values of the domain is this graph negative?Convert this fraction to a decimal.
1/3
x > 4
400
How many people can be seated in the White House movie theater?
42
600
The ___________________ to a system of linear equations is the ____________ where the equations have values for x and y that make both equations true.
solution
point
600
What is the solution to the system of linear equations?
(-1,4)
600
What is the solution (x, y) to the system of linear equations?
2x+10=y
x=12
(12, 34)
600
Express this number in scientific notation.
3,868,000,000
3.868 x 109
600
What is the range of this function?
R: {2, 3, 4}
600
How many ways can you make change for a dollar? (You can use pennies, nickels, dimes, quarters, 50-cent pieces, and dollar coins.)
293
800
What three solutions can a system of linear equations have?
1 point, no points (lines are parallel), infinitely many points (the lines are the same line)
800
What is the solution to the system of linear equations?
(2,9)
800
What is the solution to the system of linear equations?
3x+6=y
y=12
(2, 12)
800
Express this number in standard form.
8.235 x 10—4
0.0008235
800
If f(x) = 3x, what is f(4)?
81
800
What size shoe does former NBA player Shaquille O'Neal wear?
23
1000
Fill in the blanks:
The solution will be the point
( , ) where the two lines
________________
(x,y)
intersect
1000
What is the solution to the system of linear equations?
No solutions
1000
What is the solution to the system of linear equations?
5x-20=y
y=60
(16, 60)
1000
Express this number in scientific notation.
0.02077
2.077 x 10—2
1000
For what value does f(x) = 1?
x = 3
1000
At the Four Corners Monument, you can be in 4 states at once. Name all four!
Utah, Colorado, Arizona, and New Mexico