Solving Equations
Solve:
-14x - 5 = -10x - 45
x = 10
Find the slope between (8,7) and (4,5).
1/2
-11
Simplify: 2(4 - 6)3 + 4
-12
Solve:
-2(x - 1) + 3 = 11
x = -3
Mei Mei is taking a multiple choice test with a total of 100 points available. Each question is worth exactly 5 points. What would be Mei Mei's test score (out of 100) if she got 6 questions wrong?
70
-10
Put in order from smallest to largest:
0, -1, 2/3, -0.58, -3/5, 0.67
-1, -3/5, -0.58, 0, 2/3, 0.67
Solve:
10 = 2/5 x + 4
x = 15
Pedro is ordering a taxi from an online taxi service. The taxi charges $4 just for the pickup and then an additional $1.50 per mile driven. Write an expression representing the cost for m miles.
4 + 1.50m
Simplify: sqrt (4(16))
8
Simplify 3x(2x2)4
48x9
Solve for x and y:
7y - 9 = x
-2x + 3y = -37
x = 26, y = 5
Write the equation of the line passing through (1,-2) with a slope of -3.
y = -3x + 1
Simplify: -2 - 2(3)2
-20
Estimate the square root of 67 to the nearest tenth.
8.2
Solve the system:
x + 2y = 9
-5x -10y = -45
Infinite solutions
Write the equation of the line passing through (-1,3) and (1, -7) in slope-intercept form.
y = -5x -2
Simplify: (8 - 10)/2 + (-1)3
-2
f(-1) = 2