Write four solutions of the equation.
1. Y= 4x + 3 2. Y= 8x - 7
Answers
Answer:
1.
if x=1
y=4(1)+3
y=7
if x=2
y=4(2)+3
y=8+3
y=11
x=3
y=4(3)+3
y=15
x=4
y=4(4)+3
y=19
(1,7);(2,11);(3,15);(4,19)
2.
if x=1
y=8(1)-7
y=1
if x=2
y=8(2)-7
y=9
if x=3
y=8(3)-7
y=17
if x =4
y=8(4)-7
y=25
(1,1);(2,9);(3,17);(4,25)
Step-by-step explanation:
y=4x+32....(1)
(i)When x=-6 (ii)When x=-7 (iii)When x=1
y=4x+32 y=4x+32 y=4x+32
y=4(-6)+32 y=4(-7)+32 y=4(1)+32
y= -24+32 y= -28+32 y=4+32
y= 8 y= 4 y=36
(iv)When x=-5
y=4x+32
y=4(-5)+32
y= -20+32
y= 12
y=8x-7....(2)
(i)When x=1 (ii)When x=2 (iii)When x=-1
y=8x-7 y=8x-7 y=8x-7
y=8(1)-7 y=8(2)-7 y=8(-1)-7
y=8-7 y=16-7 y=-8-7
y=1 y=9 y=-15
(iv)When x=3
y=8x-7
y=8(3)-7
y= 24-7
y= 17
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