Solving Linear Equations & Inequalities
Solve for x:
3x-7=11
x=6
Use substitution to solve:
y=x+2 and 2x+y=8
(2,4)
What is the slope of the line
y=4x-5?
m=4
What transformation occurs when a figure is slid left or right?
Translation
What is the Pythagorean Theorem?
a^2 +b^2 =c^2
Solve:
2x-5leq9
xleq7
Solve by elimination:
3x+2y=12 and 6x-2y=6
(2,3)
What is the y-intercept of the equation
y=-2x+3?
b=3
Name the transformation that flips a figure over a line.
Reflection
What information do you need to know to prove two right triangles are congruent by ASA?
Two angles with a side inbetween.
What is the solution to...
-3x-3>6
x<-3
What is the solution to the system?
y=3x-1 and 4x+y=11
(12/7 , 29/7 )
Write the equation of a line with a slope of 3 and passes through the point (2,5).
y=3x-1
Describe the transformation of a figure reflected across the y−axis.
(x,y)rightarrow(-x,y)
Find the hypotenuse of a right triangle with legs 6 and 8.
c=10
Solve for x:
(2x+4)/4 = 5
x=8
True or False: A system with parallel lines has no solution.
True
Find the slope between the points (1, 2) and (4, 8).
m=2
How does rotating a figure 90° clockwise around the origin affect its coordinates (x, y)?
(x,y) rightarrow (y,-x)
Which is not a Triangle Congruency Rule?
SSS, SAS, SSA, ASA, AAS, HL?
SSA
If
4x−5=3x+7
, what is x?
x=12
Explain why the system
2x+4y=10 and x+2y=5
has infinitely many solutions.
They simplify to the same line.
What is the equation of a horizontal line passing through (0,-3)?
y=-3
What are the coordinates of A'B'C' if you rotate ABC 180° given A (3,2), B (4,-3), and C (1,0)?
A ′ ( − 3 , − 2 ) , B ′ ( − 4 , 3 ) , C ′ ( − 1 , 0 )
A right triangle has a hypotenuse of 13 and one leg of 5. Find the other leg.
b=12