Writing Linear Eq's
What is the equation of a line with a slope of 2 and a y-intercept of 4?
y = 2x + 4
Solve by substitution,
-3x + 4y = -2
y = -5
(-6, -5)
What is the vertex of 4x^2 - 8x -1?
(1, -5)
Solve x^2 + 3x + 2 = 0
x = -1 & x = -2
What is the name of the object you hit in badminton?
Shuttlecock
Write the equation y = 4/3x +1 in standard form.
4x - 3y = -3
Solve the system by elimination,
14x + 2y = 26
-14x - 6y = -50
(1, 6)
What is the domain of al quadratic functions?
All real numbers
Solve 2x^2 + 6x - 108 = 0
x = -9 & x = 6
What six-letter word is both a seed company and an exercise that involves a squat, a pushup, and jumping in the air?
Burpee
Write an equation that passes through the points (0, 2) and (-4, 5).
y - 2 = -3/4(x - 0)
or
y - 5 = -3/4(x + 4)
Solve the system,
2x + y = 7
x - 2y = 6
(4, -1)
if the parabola opens up, is the vertex a minimum or maximum?
Minimum
Solve x^2 + 14 x - 38 = 0
x = -7 + sq. root of 87
What is the only sport to be played on the moon?
Golf
Given 5x - 2y = 20, find the x and y intercepts.
x = 4
&
y = -10
Solve the system,
-8x + y = -7
16x -2y = 14
Infinitely many
If the function has a vertex of (4, -1), what is the range?
y > -1
Solve, x^2 - 4x - 98 = 0
x = 2 + sq. root of 102
What do you call a score of zero in tennis?
Love
What is the slope of the line with equation x = -7?
undefined
Solve the system,
x + 7y = 0
2x - 8y = 22
(7, -1)
Complete the x, y chart for the function f(x) = x^2 - 6x + 9
x - 1 , 2, 3, 4, 5
y - 4, 1, 0, 1, 4
Solve, 2x^2 - 3x - 5 = 0
x = 5/2 & x = -1
What is the bowling term for scoring three strikes in a row?
Turkey