Algebra One Acuity Flashcards
Systems of Equations-Two lines intersect in a __________.
point (one solution)
Systems of Equations-Two parallel lines have ____ solution.
no
y = 3x - 6.
What form is this equation of a line written?
slope-intercept form
7x + 2y = 14.
What form is this equation of a line written?
standard form
y - 4 = -2(x + 3).
What form is this equation of a line written?
point-slope form
y = -9 is a ______________ line and has a slope of ____.
horizontal; 0
x = 5 is a _________ line and has an __________ slope or _____ slope.
vertical; undefined; no
Slope is _______ over ____.
rise; run
-3x + 7y = 84.
What are the x- and y-intercepts of the graph of the equation?
x-intercept (-28, 0) y-intercept (0, 12)
Find the slope of the line containing (0, 3) and (8, 15).
m = 3/2
Simplify c^8/c^3
c^5
What is the slope of the line represented by the equation y = 3/7x + 2?
m = 3/7
d = 8r.
Solve the formula for r.
r = d/8
Which integer is the closest approximation of √83?
9
Look at this system of equations.
x = -3
y = 4x + 15
What is the solution to the system?
(-3, 3)
The length of one side of a right triangle is 8 inches and the length of the hypotenuse is 17 inches. What is the length of the other side of the triangle?
15 inches
What is the slope of the line represented by the equation 3y - x = 9?
m = 1/3
What is the greatest common factor of 54 and 36?
GCF = 18
Look at this equation.
20/x = 12/30
x = ?
x = 50
A rocket launched from a 18-foot tall platform rises at a constant rate of 5 feet per second. What is the height of the rocket after it has risen for 11 seconds?
73 feet
