-5x - 8y = 17
2x - 7y = -17
(x, y) = (-5, 1)
What is the axis of symmetry for the parabola
y = x2 - 8x + 15
x = 4
What is the term for when the slope is a vertical line?
Undefined
Factor 5x2 - 20x
5x(x - 4)
Solve for 5 - 2x > 11
x is less than or equal to 13
Determine if this system has one solution, no solution, or infinite solutions given that 2y - x = 4 and 10y - x = 20.
One solution (0, 2)
Solve for x
6x2 - 13x - 5 = 0
x = 5/2 and x = -1/3
This is the name for a polynomial with exactly three terms, such as x2 + 5x + 6
Solve x2 + 5x + 6 = 0
Trinomial
x = -2 and x = -3
Factor 49x2 - 64
(7x + 8)(7x - 8)
Solve for 3(x - 4) is less than or equal to 2x +1
x is less than or equal to 13
A bank account had $7,325 in March and increased to $9,377 by September. What is the constant monthly rate of savings?
$342 per month
Convert 2x2 - 12x + 11 into vertex form
y = 2(x - 3)2 - 7
Solve for x
|2x - 4| = x + 5
x = 9, x = -1/3
Solve for x by factoring
x2 - 10x = - 21
x = 3, x = 7
Solve -8 < 2x + 4 is less than or equal to 12
-6 < x is less than or equal to 4
A delivery truck leaves a warehouse at 8:00 AM traveling at a constant speed of 45 mph. At 11:00 AM, a courier in a sports car leaves the same warehouse, traveling the same route at a constant speed of 72 mph. What time will the courier catch up to the delivery truck?
At 4:00 PM, both having traveled 360 miles.
Find the y-intercept of
y = x2 - 6x + 8
8 or (0,8)
What is the term for the set of all possible input values (x-values) for a function?
Domain
Factor completely
2x2 - 18
2(x - 3)(x + 3)
Solve 2(x + 5) - 3x > 15
x < -5
2/3 (6x - 9) = 1/2 (x +4) + 5x
x = -16/3 or x = -5 1/3
What is the minimum value of the function
f(x) = x2 - 10x + 30
5
Solve for x
|5x + 10| + 7 = 2
No solutions
Factor x2 + 6xy + 9y2 - 25
(x + 3y + 5)(x + 3y - 5)
Solve |x - 5| < 10
-5 < x < 15