1 1 Select the formula that best models the table, y =x+ 3, y = 2x, y = 2x + 1, y = x
3 3 Evaluate the expression in standard form x 10- 6
4 4 Evaluate the expression in standard form (4 x 10 9 )(6 x )
5 5 Find the multiplicative inverse – 1/5x
6 6 Simplify the expression (2 4 ) 2
7 7 Evaluate (- 1/8) - 3
8 8 Find the average of the numbers 20, 32, 22, -14
9 9 Find the slope of the line passing through the two points (1, -5) and (3, 7)
10 S = { ( -1, 7), (1, 2), (6, 7), (9, - 7), (11, -1)} Is it a function ?
11 Determine whether the diagram could represent a function
12 Find a slope intercept form of the line satisfying the given condition : parallel to y = 4x – 2, passing through (1, 3)
13 Find the slope intercept form of the line satisfying the given condition : perpendicular to y = (-1/3)x + 4, passing through ( -3, 5)
14 Find the equation of a Horizontal line passing through (3, -4)
15 From 1992 to 1999, the number of automobile veichle tags purchased in a certain city can be modeled by f(x) = 71(x – 1992) Find the number of veichle tags purchased in 1995
16 Determine the given values of x are solutions to the compound inequality.(Y/N) x ; x = -15, x = - 5
17 Write the inequality in interval notation { x/ x 4}
18 Solve the linear equation x/10 – 4 = -3
19 Solve the system of linear equations by elimination x + y = 3, x – y = 1
20 Solve the system of equation 1/6 x – 1/3 y = -1, 1/3 x + 5/6 y = 7
21 2r – 3t = 7, -4r + 6t = - 14, dependent or inconsistent solution ?
22 m –n = 5, m – n = 7 What type of solution ?
23 What type of solution ?
24 Solve the inequality 4x – 2 > 5/2
25 Solve the inequality 4/5 x - 1/5 > - 5
26 Are 2x > 6 and x> 3 equivalent inequalities ?
27 Can a linear inequality have infinitely many solutions ?
28 Aids research funding in 1994 was $ 1.3 billion and in 2000 it was $ 1.8 billion. Use a linear function to estimate the years in which AIDS funding was greater than or equal to $1.55 billion
29 The median price P of a single family home from 1980 to 1991 may be modeled by P(x) = 3400(x – 1980) + 61,000, where x is the year. Determine the years when the median price ranged from $ 78,000 to $ 95,000
30 The formula for a Perimeter of a rectangle whose length is L and width is W
If two perpendicular lines have slopes m1 and m2, what can be said about m1 and m2, then m1.m2 =?
1 1 y = x + 3
2 2
4 4 24,000
5 5 -5x
8 8 15
9 9 6
10 Yes
11 No
12 y = 4x - 1
13 y = 3x + 14
14 y = -4
16 No, No
17 ( -, -1) U [4, )
18 10
19 The solution is (2, 1)
20
21 Dependent
22 Inconsistent; No solutions
23 Consistent
24 { x/ x > 9/8}
25 { x/ x > - 6}
26 Yes
27 Yes
or after
29 From 1995 to 1990
30 P = 2(L + W)
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