Equations
Solve for p:
-9 + p = 12
What is x=21 ?
Figures that have the same shape and the same size.
What are congruent figures?
A line that intersects two or more parallel lines.
What is a transversal?
Identify the y-intercept and the slope in the equation: y=-2x-7
y-intercept = -7 slope = -2
What does a solution of a system mean?
(2 things)
What where the two lines intersect and the coordinate the satisfies both equations?
2(1-5x) + 4 = -8
What is x = 1.4 ?
A transformation in which a figure slides but does not turn.
What is a translation?
Two of the interior angles of a triangle measure 28 degrees and 105 degrees. What is the measure of the third interior angle?
What is 47 degrees ?
Find the slope of the line through the given points: (-3,-1), (3,4)
What is 5/6 ?
What does it mean when the systems have no solution?
It means that the lines are parallel.
Solve for x:
2x + 4 = -1(-7x + 6)
What is x=2 ?
Which transformation means that a figure is made larger or smaller?
What is dilation?
What is the sum of the interior angle measures of a regular pentagon?
S = (n-2) * 180
What is 540 degrees ?
What is the x-intercept and y-intercept of the given equation? 2x+y=8
Y-intercept is when x=0
X-intercept is when y=0
x-intercept = (4,0) y-intercept = (0,8)
What does it mean when the system is infinite?
It means that the two lines are identical (laying on top of each other)?
2(4z-1) = 3(z+2)
What is z= 1.6 ?
A widescreen television measures 36 inches by 54 inches. A movie theater screen measures 42 ft by 63 ft. Are the screens similar?
Yes, both screens are rectangles and the corresponding angle measures are congruent. The corresponding side lengths are proportional.
What is the sum of the measures of the exterior angles of any regular polygon?
What is 360 degrees?
Rewrite this linear equation from standard from to slope-intercept form:
-2x+3y = -6
What is y=2/3x - 2 ?
Solve the system by substitution:
y=2x-4
7x-2y=5
(-1,-6)
1/7 (14r + 28) = 2(r+2)
Infinite solutions
What does it mean when angles are corresponding?
Tell whether these two triangles are similar:
Triangle 1 (interior angles): 95, 46, x
Triangle 2 (interior angles): 39, 46, y
Yes, the triangles have the same interior angle measures- 95, 46, 39
What is the point-slope form when the slope is -4 and goes thru (1,2)?
y - y1 = m (x - x1)
y - 2 = -4(x - 1)