Download Write an algebraic expression for each verbal expressions

Algebra 1 CP Practice Quiz 4-5 Alg. 1CP
Name_______________________________
Period________
Find the slope using the slope ratio.
y
10
9
8
7
6
5
4
3
2
1
1)
-10-9 -8 -7 -6 -5 -4 -3 -2 -1
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
2)


1 2 3 4 5 6 7 8 9 10
x
y
10
9
8
7
6
5
4
3
2
1
-10-9 -8 -7 -6 -5 -4 -3 -2 -1
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10

1) ____________
2) ____________
1 2 3 4 5 6 7 8 9 10
x

Find the slope of the line that passes through each pair of points.
3) (2, -3) (7, 2)
4) (6, 2) (–4, 2)
3) ____________
4) ____________
5) Find the value of r so the line that passes through (–6, r), and (1, -2)
has a slope of 2.
5) ____________
Write the linear equation in slope-intercept form.
6) 3x + y = -15
7)
5x – 2y = -14
6) ____________
7) ____________
8) What is the slope of all vertical lines?
8) ____________
9) What is the slope of all horizontal lines?
9) ____________
10) Write an equation in slope-intercept form of the line
with slope of 5 and y-intercept of -4.
10) ___________
11) Solve 2(x – 3) = 5x + 3.
12) If f(x) = x2 – 3x find f(–2).
11) ___________
12) ___________
Graph each equation.
4
13) y   x
5
y
10
9
8
7
6
5
4
3
2
1
-10-9 -8 -7 -6 -5 -4 -3 -2 -1
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
1 2 3 4 5 6 7 8 9 10
x
Graph each equation.
14)
3
y   x2
4
15)
y  3x  2
y
10
9
8
7
6
5
4
3
2
1
-10-9 -8 -7 -6 -5 -4 -3 -2 -1
-1
1 2 3 4 5 6 7 8 9 10
y
10
9
8
7
6
5
4
3
2
1
-10-9 -8 -7 -6 -5 -4 -3 -2 -1
-1
x
1 2 3 4 5 6 7 8 9 10
x
-2
-3
-4
-5
-6
-7
-8
-9
-10
-2
-3
-4
-5
-6
-7
-8
-9
-10
16) Write 3x + 2y = –8 in slope-intercept form. Identify the slope, identify
the y-intercept, and then graph the equation.
slope-intercept form ______________
y
10
9
8
7
6
5
4
3
2
1
-10-9 -8 -7 -6 -5 -4 -3 -2 -1
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
slope ______
1 2 3 4 5 6 7 8 9 10
x
y-intercept ______
Write an equation for each of the following lines in slope-intercept form.
17) Passes through the point
(–5,6) with a slope of 4.
18) Passes through the point
(2,–4) with a slope of –3.
17) ___________
18) ___________
19) Passes through the points
(2,3) and (6,11).
20) Passes through the points
(1,–7) and (3,–15).
19) ___________
20) ___________
21) _________
21) Write 6 y  3x  18 in standard form.
Practice Quiz 4-5
KEY Algebra Practice Quiz 4-5
1)
2)
3)
4)
5)
6)
3
4
4
5
m=1
m=0
r = -16
y  3x  15
16)
y

8)
9)
10)
5
y  x 7
2
undefined
Zero
y  5x  4
11)
12)
x = -3
10
7)
4
13) y   x
5
x
3
y  x 4
2
3
m =  ; b = (0, -4)
2
y
14) y  3x  2
x
y
x
3
15) y   x  2
4
y
17)
y = 4x + 26
18)
y = -3x + 2
19)
y = 2x - 1
20)
y = -4x - 3
21)
x – 2y = -6
x
Practice Quiz 4-5